Home / 2,418.76-3,337.12-1,423.68

Finding the Fourth Proportional to 2,418.76, 3,337.12 and 1,423.68

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Solution

The fourth proportional to 2,418.76, 3,337.12 and 1,423.68 is: 1,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.76 : 3,337.12 = 1,423.68 : x
  2. Step 2: Convert to fraction form
    2,418.76/3,337.12 = 1,423.68/x
  3. Step 3: Cross multiply
    2,418.76x = 3,337.12 × 1,423.68
  4. Step 4: Simplify right side
    2,418.76x = 4,750,991.00
  5. Step 5: Solve for x
    x = 4,750,991.00/2,418.76
  6. Step 6: Final answer
    x = 1,964.23

Related Problems

Find fourth proportional to 1,209.38, 1,668.56 and 711.84
Half scale
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Double scale
Find fourth proportional to 2,419.76, 3,338.50 and 1,424.68
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.