Home / 1,224.27-1,837.07-1,158.12

Finding the Fourth Proportional to 1,224.27, 1,837.07 and 1,158.12

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Solution

The fourth proportional to 1,224.27, 1,837.07 and 1,158.12 is: 1,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.27 : 1,837.07 = 1,158.12 : x
  2. Step 2: Convert to fraction form
    1,224.27/1,837.07 = 1,158.12/x
  3. Step 3: Cross multiply
    1,224.27x = 1,837.07 × 1,158.12
  4. Step 4: Simplify right side
    1,224.27x = 2,127,541.72
  5. Step 5: Solve for x
    x = 2,127,541.72/1,224.27
  6. Step 6: Final answer
    x = 1,737.80

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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.