Home / 2,476.20-3,414.42-1,690.68

Finding the Fourth Proportional to 2,476.20, 3,414.42 and 1,690.68

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Solution

The fourth proportional to 2,476.20, 3,414.42 and 1,690.68 is: 2,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.20 : 3,414.42 = 1,690.68 : x
  2. Step 2: Convert to fraction form
    2,476.20/3,414.42 = 1,690.68/x
  3. Step 3: Cross multiply
    2,476.20x = 3,414.42 × 1,690.68
  4. Step 4: Simplify right side
    2,476.20x = 5,772,691.61
  5. Step 5: Solve for x
    x = 5,772,691.61/2,476.20
  6. Step 6: Final answer
    x = 2,331.27

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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.