Home / 2,432.91-3,355.65-1,686.90

Finding the Fourth Proportional to 2,432.91, 3,355.65 and 1,686.90

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Solution

The fourth proportional to 2,432.91, 3,355.65 and 1,686.90 is: 2,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.91 : 3,355.65 = 1,686.90 : x
  2. Step 2: Convert to fraction form
    2,432.91/3,355.65 = 1,686.90/x
  3. Step 3: Cross multiply
    2,432.91x = 3,355.65 × 1,686.90
  4. Step 4: Simplify right side
    2,432.91x = 5,660,645.99
  5. Step 5: Solve for x
    x = 5,660,645.99/2,432.91
  6. Step 6: Final answer
    x = 2,326.70

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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.