Home / 2,255.18-3,381.14-1,158.64

Finding the Fourth Proportional to 2,255.18, 3,381.14 and 1,158.64

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Solution

The fourth proportional to 2,255.18, 3,381.14 and 1,158.64 is: 1,737.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.18 : 3,381.14 = 1,158.64 : x
  2. Step 2: Convert to fraction form
    2,255.18/3,381.14 = 1,158.64/x
  3. Step 3: Cross multiply
    2,255.18x = 3,381.14 × 1,158.64
  4. Step 4: Simplify right side
    2,255.18x = 3,917,518.49
  5. Step 5: Solve for x
    x = 3,917,518.49/2,255.18
  6. Step 6: Final answer
    x = 1,737.12

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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.