Home / 3,621.57-5,432.35-1,156.60

Finding the Fourth Proportional to 3,621.57, 5,432.35 and 1,156.60

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Solution

The fourth proportional to 3,621.57, 5,432.35 and 1,156.60 is: 1,734.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.57 : 5,432.35 = 1,156.60 : x
  2. Step 2: Convert to fraction form
    3,621.57/5,432.35 = 1,156.60/x
  3. Step 3: Cross multiply
    3,621.57x = 5,432.35 × 1,156.60
  4. Step 4: Simplify right side
    3,621.57x = 6,283,056.01
  5. Step 5: Solve for x
    x = 6,283,056.01/3,621.57
  6. Step 6: Final answer
    x = 1,734.90

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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.