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Finding the Fourth Proportional to 3,561.87, 5,343.24 and 1,483.29

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Solution

The fourth proportional to 3,561.87, 5,343.24 and 1,483.29 is: 2,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.87 : 5,343.24 = 1,483.29 : x
  2. Step 2: Convert to fraction form
    3,561.87/5,343.24 = 1,483.29/x
  3. Step 3: Cross multiply
    3,561.87x = 5,343.24 × 1,483.29
  4. Step 4: Simplify right side
    3,561.87x = 7,925,560.82
  5. Step 5: Solve for x
    x = 7,925,560.82/3,561.87
  6. Step 6: Final answer
    x = 2,225.11

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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.