Home / 2,254.42-3,381.60-1,158.20

Finding the Fourth Proportional to 2,254.42, 3,381.60 and 1,158.20

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Solution

The fourth proportional to 2,254.42, 3,381.60 and 1,158.20 is: 1,737.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.42 : 3,381.60 = 1,158.20 : x
  2. Step 2: Convert to fraction form
    2,254.42/3,381.60 = 1,158.20/x
  3. Step 3: Cross multiply
    2,254.42x = 3,381.60 × 1,158.20
  4. Step 4: Simplify right side
    2,254.42x = 3,916,569.12
  5. Step 5: Solve for x
    x = 3,916,569.12/2,254.42
  6. Step 6: Final answer
    x = 1,737.28

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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.