Home / 1,427.48-2,136.36-1,104.29

Finding the Fourth Proportional to 1,427.48, 2,136.36 and 1,104.29

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Solution

The fourth proportional to 1,427.48, 2,136.36 and 1,104.29 is: 1,652.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427.48 : 2,136.36 = 1,104.29 : x
  2. Step 2: Convert to fraction form
    1,427.48/2,136.36 = 1,104.29/x
  3. Step 3: Cross multiply
    1,427.48x = 2,136.36 × 1,104.29
  4. Step 4: Simplify right side
    1,427.48x = 2,359,160.98
  5. Step 5: Solve for x
    x = 2,359,160.98/1,427.48
  6. Step 6: Final answer
    x = 1,652.68

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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.