Home / 3,627.12-5,005.08-2,882.88

Finding the Fourth Proportional to 3,627.12, 5,005.08 and 2,882.88

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Solution

The fourth proportional to 3,627.12, 5,005.08 and 2,882.88 is: 3,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.12 : 5,005.08 = 2,882.88 : x
  2. Step 2: Convert to fraction form
    3,627.12/5,005.08 = 2,882.88/x
  3. Step 3: Cross multiply
    3,627.12x = 5,005.08 × 2,882.88
  4. Step 4: Simplify right side
    3,627.12x = 14,429,045.03
  5. Step 5: Solve for x
    x = 14,429,045.03/3,627.12
  6. Step 6: Final answer
    x = 3,978.10

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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.