Home / 1,349.28-2,023.96-1,090.80

Finding the Fourth Proportional to 1,349.28, 2,023.96 and 1,090.80

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Solution

The fourth proportional to 1,349.28, 2,023.96 and 1,090.80 is: 1,636.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.28 : 2,023.96 = 1,090.80 : x
  2. Step 2: Convert to fraction form
    1,349.28/2,023.96 = 1,090.80/x
  3. Step 3: Cross multiply
    1,349.28x = 2,023.96 × 1,090.80
  4. Step 4: Simplify right side
    1,349.28x = 2,207,735.57
  5. Step 5: Solve for x
    x = 2,207,735.57/1,349.28
  6. Step 6: Final answer
    x = 1,636.23

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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.