Home / 2,987.08-4,475.12-2,659.04

Finding the Fourth Proportional to 2,987.08, 4,475.12 and 2,659.04

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Solution

The fourth proportional to 2,987.08, 4,475.12 and 2,659.04 is: 3,983.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987.08 : 4,475.12 = 2,659.04 : x
  2. Step 2: Convert to fraction form
    2,987.08/4,475.12 = 2,659.04/x
  3. Step 3: Cross multiply
    2,987.08x = 4,475.12 × 2,659.04
  4. Step 4: Simplify right side
    2,987.08x = 11,899,523.08
  5. Step 5: Solve for x
    x = 11,899,523.08/2,987.08
  6. Step 6: Final answer
    x = 3,983.66

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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.