Home / 2,355.48-3,250.08-1,423.80

Finding the Fourth Proportional to 2,355.48, 3,250.08 and 1,423.80

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Solution

The fourth proportional to 2,355.48, 3,250.08 and 1,423.80 is: 1,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.48 : 3,250.08 = 1,423.80 : x
  2. Step 2: Convert to fraction form
    2,355.48/3,250.08 = 1,423.80/x
  3. Step 3: Cross multiply
    2,355.48x = 3,250.08 × 1,423.80
  4. Step 4: Simplify right side
    2,355.48x = 4,627,463.90
  5. Step 5: Solve for x
    x = 4,627,463.90/2,355.48
  6. Step 6: Final answer
    x = 1,964.55

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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.