Home / 3,962.40-5,470.06-2,471.14

Finding the Fourth Proportional to 3,962.40, 5,470.06 and 2,471.14

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Solution

The fourth proportional to 3,962.40, 5,470.06 and 2,471.14 is: 3,411.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.40 : 5,470.06 = 2,471.14 : x
  2. Step 2: Convert to fraction form
    3,962.40/5,470.06 = 2,471.14/x
  3. Step 3: Cross multiply
    3,962.40x = 5,470.06 × 2,471.14
  4. Step 4: Simplify right side
    3,962.40x = 13,517,286.51
  5. Step 5: Solve for x
    x = 13,517,286.51/3,962.40
  6. Step 6: Final answer
    x = 3,411.39

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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.