Home / 3,507.30-4,839.97-2,015.19

Finding the Fourth Proportional to 3,507.30, 4,839.97 and 2,015.19

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Solution

The fourth proportional to 3,507.30, 4,839.97 and 2,015.19 is: 2,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.30 : 4,839.97 = 2,015.19 : x
  2. Step 2: Convert to fraction form
    3,507.30/4,839.97 = 2,015.19/x
  3. Step 3: Cross multiply
    3,507.30x = 4,839.97 × 2,015.19
  4. Step 4: Simplify right side
    3,507.30x = 9,753,456.19
  5. Step 5: Solve for x
    x = 9,753,456.19/3,507.30
  6. Step 6: Final answer
    x = 2,780.90

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Half scale
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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.