Home / 2,418.25-3,337.50-1,423.62

Finding the Fourth Proportional to 2,418.25, 3,337.50 and 1,423.62

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Solution

The fourth proportional to 2,418.25, 3,337.50 and 1,423.62 is: 1,964.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.25 : 3,337.50 = 1,423.62 : x
  2. Step 2: Convert to fraction form
    2,418.25/3,337.50 = 1,423.62/x
  3. Step 3: Cross multiply
    2,418.25x = 3,337.50 × 1,423.62
  4. Step 4: Simplify right side
    2,418.25x = 4,751,331.75
  5. Step 5: Solve for x
    x = 4,751,331.75/2,418.25
  6. Step 6: Final answer
    x = 1,964.78

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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.