Home / 3,621.87-5,432.89-1,156.68

Finding the Fourth Proportional to 3,621.87, 5,432.89 and 1,156.68

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Solution

The fourth proportional to 3,621.87, 5,432.89 and 1,156.68 is: 1,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.87 : 5,432.89 = 1,156.68 : x
  2. Step 2: Convert to fraction form
    3,621.87/5,432.89 = 1,156.68/x
  3. Step 3: Cross multiply
    3,621.87x = 5,432.89 × 1,156.68
  4. Step 4: Simplify right side
    3,621.87x = 6,284,115.21
  5. Step 5: Solve for x
    x = 6,284,115.21/3,621.87
  6. Step 6: Final answer
    x = 1,735.05

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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.