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Finding the Fourth Proportional to 1,751.47, 2,622.54 and 1,543.88

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Solution

The fourth proportional to 1,751.47, 2,622.54 and 1,543.88 is: 2,311.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.47 : 2,622.54 = 1,543.88 : x
  2. Step 2: Convert to fraction form
    1,751.47/2,622.54 = 1,543.88/x
  3. Step 3: Cross multiply
    1,751.47x = 2,622.54 × 1,543.88
  4. Step 4: Simplify right side
    1,751.47x = 4,048,887.06
  5. Step 5: Solve for x
    x = 4,048,887.06/1,751.47
  6. Step 6: Final answer
    x = 2,311.71

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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.