Home / 1,149.23-1,586.28-1,090.44

Finding the Fourth Proportional to 1,149.23, 1,586.28 and 1,090.44

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Solution

The fourth proportional to 1,149.23, 1,586.28 and 1,090.44 is: 1,505.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.23 : 1,586.28 = 1,090.44 : x
  2. Step 2: Convert to fraction form
    1,149.23/1,586.28 = 1,090.44/x
  3. Step 3: Cross multiply
    1,149.23x = 1,586.28 × 1,090.44
  4. Step 4: Simplify right side
    1,149.23x = 1,729,743.16
  5. Step 5: Solve for x
    x = 1,729,743.16/1,149.23
  6. Step 6: Final answer
    x = 1,505.14

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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.