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Finding the Fourth Proportional to 3,713.10, 5,569.74 and 1,080.88

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Solution

The fourth proportional to 3,713.10, 5,569.74 and 1,080.88 is: 1,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.10 : 5,569.74 = 1,080.88 : x
  2. Step 2: Convert to fraction form
    3,713.10/5,569.74 = 1,080.88/x
  3. Step 3: Cross multiply
    3,713.10x = 5,569.74 × 1,080.88
  4. Step 4: Simplify right side
    3,713.10x = 6,020,220.57
  5. Step 5: Solve for x
    x = 6,020,220.57/3,713.10
  6. Step 6: Final answer
    x = 1,621.35

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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.