Home / 1,358.88-2,039.07-1,254.39

Finding the Fourth Proportional to 1,358.88, 2,039.07 and 1,254.39

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Solution

The fourth proportional to 1,358.88, 2,039.07 and 1,254.39 is: 1,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.88 : 2,039.07 = 1,254.39 : x
  2. Step 2: Convert to fraction form
    1,358.88/2,039.07 = 1,254.39/x
  3. Step 3: Cross multiply
    1,358.88x = 2,039.07 × 1,254.39
  4. Step 4: Simplify right side
    1,358.88x = 2,557,786.07
  5. Step 5: Solve for x
    x = 2,557,786.07/1,358.88
  6. Step 6: Final answer
    x = 1,882.28

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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.