Home / 1,150.25-1,587.36-626.29

Finding the Fourth Proportional to 1,150.25, 1,587.36 and 626.29

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Solution

The fourth proportional to 1,150.25, 1,587.36 and 626.29 is: 864.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.25 : 1,587.36 = 626.29 : x
  2. Step 2: Convert to fraction form
    1,150.25/1,587.36 = 626.29/x
  3. Step 3: Cross multiply
    1,150.25x = 1,587.36 × 626.29
  4. Step 4: Simplify right side
    1,150.25x = 994,136.63
  5. Step 5: Solve for x
    x = 994,136.63/1,150.25
  6. Step 6: Final answer
    x = 864.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.