Home / 4,098.20-5,655.52-2,305.87

Finding the Fourth Proportional to 4,098.20, 5,655.52 and 2,305.87

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Solution

The fourth proportional to 4,098.20, 5,655.52 and 2,305.87 is: 3,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.20 : 5,655.52 = 2,305.87 : x
  2. Step 2: Convert to fraction form
    4,098.20/5,655.52 = 2,305.87/x
  3. Step 3: Cross multiply
    4,098.20x = 5,655.52 × 2,305.87
  4. Step 4: Simplify right side
    4,098.20x = 13,040,882.65
  5. Step 5: Solve for x
    x = 13,040,882.65/4,098.20
  6. Step 6: Final answer
    x = 3,182.10

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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.