Home / 3,507.13-5,260.85-1,426.04

Finding the Fourth Proportional to 3,507.13, 5,260.85 and 1,426.04

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Solution

The fourth proportional to 3,507.13, 5,260.85 and 1,426.04 is: 2,139.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.13 : 5,260.85 = 1,426.04 : x
  2. Step 2: Convert to fraction form
    3,507.13/5,260.85 = 1,426.04/x
  3. Step 3: Cross multiply
    3,507.13x = 5,260.85 × 1,426.04
  4. Step 4: Simplify right side
    3,507.13x = 7,502,174.18
  5. Step 5: Solve for x
    x = 7,502,174.18/3,507.13
  6. Step 6: Final answer
    x = 2,139.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.