Home / 3,232.15-4,847.60-891.57

Finding the Fourth Proportional to 3,232.15, 4,847.60 and 891.57

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Solution

The fourth proportional to 3,232.15, 4,847.60 and 891.57 is: 1,337.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232.15 : 4,847.60 = 891.57 : x
  2. Step 2: Convert to fraction form
    3,232.15/4,847.60 = 891.57/x
  3. Step 3: Cross multiply
    3,232.15x = 4,847.60 × 891.57
  4. Step 4: Simplify right side
    3,232.15x = 4,321,976.96
  5. Step 5: Solve for x
    x = 4,321,976.96/3,232.15
  6. Step 6: Final answer
    x = 1,337.18

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1.5x scale

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.