Home / 2,473.13-3,412.94-1,425.20

Finding the Fourth Proportional to 2,473.13, 3,412.94 and 1,425.20

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Solution

The fourth proportional to 2,473.13, 3,412.94 and 1,425.20 is: 1,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473.13 : 3,412.94 = 1,425.20 : x
  2. Step 2: Convert to fraction form
    2,473.13/3,412.94 = 1,425.20/x
  3. Step 3: Cross multiply
    2,473.13x = 3,412.94 × 1,425.20
  4. Step 4: Simplify right side
    2,473.13x = 4,864,097.90
  5. Step 5: Solve for x
    x = 4,864,097.90/2,473.13
  6. Step 6: Final answer
    x = 1,966.78

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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.