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Finding the Fourth Proportional to 3,543.42, 4,890.01 and 1,950.11

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Solution

The fourth proportional to 3,543.42, 4,890.01 and 1,950.11 is: 2,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.42 : 4,890.01 = 1,950.11 : x
  2. Step 2: Convert to fraction form
    3,543.42/4,890.01 = 1,950.11/x
  3. Step 3: Cross multiply
    3,543.42x = 4,890.01 × 1,950.11
  4. Step 4: Simplify right side
    3,543.42x = 9,536,023.20
  5. Step 5: Solve for x
    x = 9,536,023.20/3,543.42
  6. Step 6: Final answer
    x = 2,691.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.