Home / 3,414.28-4,708.48-3,159.74

Finding the Fourth Proportional to 3,414.28, 4,708.48 and 3,159.74

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Solution

The fourth proportional to 3,414.28, 4,708.48 and 3,159.74 is: 4,357.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.28 : 4,708.48 = 3,159.74 : x
  2. Step 2: Convert to fraction form
    3,414.28/4,708.48 = 3,159.74/x
  3. Step 3: Cross multiply
    3,414.28x = 4,708.48 × 3,159.74
  4. Step 4: Simplify right side
    3,414.28x = 14,877,572.60
  5. Step 5: Solve for x
    x = 14,877,572.60/3,414.28
  6. Step 6: Final answer
    x = 4,357.46

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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.