Home / 3,507.29-4,839.98-2,015.17

Finding the Fourth Proportional to 3,507.29, 4,839.98 and 2,015.17

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Solution

The fourth proportional to 3,507.29, 4,839.98 and 2,015.17 is: 2,780.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.29 : 4,839.98 = 2,015.17 : x
  2. Step 2: Convert to fraction form
    3,507.29/4,839.98 = 2,015.17/x
  3. Step 3: Cross multiply
    3,507.29x = 4,839.98 × 2,015.17
  4. Step 4: Simplify right side
    3,507.29x = 9,753,358.30
  5. Step 5: Solve for x
    x = 9,753,358.30/3,507.29
  6. Step 6: Final answer
    x = 2,780.89

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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.