Home / 1,274.52-1,902.55-1,102.26

Finding the Fourth Proportional to 1,274.52, 1,902.55 and 1,102.26

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Solution

The fourth proportional to 1,274.52, 1,902.55 and 1,102.26 is: 1,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274.52 : 1,902.55 = 1,102.26 : x
  2. Step 2: Convert to fraction form
    1,274.52/1,902.55 = 1,102.26/x
  3. Step 3: Cross multiply
    1,274.52x = 1,902.55 × 1,102.26
  4. Step 4: Simplify right side
    1,274.52x = 2,097,104.76
  5. Step 5: Solve for x
    x = 2,097,104.76/1,274.52
  6. Step 6: Final answer
    x = 1,645.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.