Home / 1,153.26-1,580.13-1,137.87

Finding the Fourth Proportional to 1,153.26, 1,580.13 and 1,137.87

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Solution

The fourth proportional to 1,153.26, 1,580.13 and 1,137.87 is: 1,559.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153.26 : 1,580.13 = 1,137.87 : x
  2. Step 2: Convert to fraction form
    1,153.26/1,580.13 = 1,137.87/x
  3. Step 3: Cross multiply
    1,153.26x = 1,580.13 × 1,137.87
  4. Step 4: Simplify right side
    1,153.26x = 1,797,982.52
  5. Step 5: Solve for x
    x = 1,797,982.52/1,153.26
  6. Step 6: Final answer
    x = 1,559.04

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.