Home / 2,232.20-3,348.42-845.50

Finding the Fourth Proportional to 2,232.20, 3,348.42 and 845.50

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Solution

The fourth proportional to 2,232.20, 3,348.42 and 845.50 is: 1,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.20 : 3,348.42 = 845.50 : x
  2. Step 2: Convert to fraction form
    2,232.20/3,348.42 = 845.50/x
  3. Step 3: Cross multiply
    2,232.20x = 3,348.42 × 845.50
  4. Step 4: Simplify right side
    2,232.20x = 2,831,089.11
  5. Step 5: Solve for x
    x = 2,831,089.11/2,232.20
  6. Step 6: Final answer
    x = 1,268.30

Related Problems

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Double scale
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Similar ratio
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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.