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Finding the Fourth Proportional to 1,750.47, 2,621.04 and 1,542.88

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Solution

The fourth proportional to 1,750.47, 2,621.04 and 1,542.88 is: 2,310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.47 : 2,621.04 = 1,542.88 : x
  2. Step 2: Convert to fraction form
    1,750.47/2,621.04 = 1,542.88/x
  3. Step 3: Cross multiply
    1,750.47x = 2,621.04 × 1,542.88
  4. Step 4: Simplify right side
    1,750.47x = 4,043,950.20
  5. Step 5: Solve for x
    x = 4,043,950.20/1,750.47
  6. Step 6: Final answer
    x = 2,310.21

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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.