Home / 1,351.28-2,026.01-734.47

Finding the Fourth Proportional to 1,351.28, 2,026.01 and 734.47

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Solution

The fourth proportional to 1,351.28, 2,026.01 and 734.47 is: 1,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.28 : 2,026.01 = 734.47 : x
  2. Step 2: Convert to fraction form
    1,351.28/2,026.01 = 734.47/x
  3. Step 3: Cross multiply
    1,351.28x = 2,026.01 × 734.47
  4. Step 4: Simplify right side
    1,351.28x = 1,488,040.34
  5. Step 5: Solve for x
    x = 1,488,040.34/1,351.28
  6. Step 6: Final answer
    x = 1,101.21

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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.