Home / 3,738.08-5,607.12-1,140.88

Finding the Fourth Proportional to 3,738.08, 5,607.12 and 1,140.88

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Solution

The fourth proportional to 3,738.08, 5,607.12 and 1,140.88 is: 1,711.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.08 : 5,607.12 = 1,140.88 : x
  2. Step 2: Convert to fraction form
    3,738.08/5,607.12 = 1,140.88/x
  3. Step 3: Cross multiply
    3,738.08x = 5,607.12 × 1,140.88
  4. Step 4: Simplify right side
    3,738.08x = 6,397,051.07
  5. Step 5: Solve for x
    x = 6,397,051.07/3,738.08
  6. Step 6: Final answer
    x = 1,711.32

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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.