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Finding the Fourth Proportional to 3,751.76, 5,616.12 and 2,380.88

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Solution

The fourth proportional to 3,751.76, 5,616.12 and 2,380.88 is: 3,564.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.76 : 5,616.12 = 2,380.88 : x
  2. Step 2: Convert to fraction form
    3,751.76/5,616.12 = 2,380.88/x
  3. Step 3: Cross multiply
    3,751.76x = 5,616.12 × 2,380.88
  4. Step 4: Simplify right side
    3,751.76x = 13,371,307.79
  5. Step 5: Solve for x
    x = 13,371,307.79/3,751.76
  6. Step 6: Final answer
    x = 3,564.01

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1.5x scale

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.