Home / 2,272.40-3,410.80-1,177.52

Finding the Fourth Proportional to 2,272.40, 3,410.80 and 1,177.52

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Solution

The fourth proportional to 2,272.40, 3,410.80 and 1,177.52 is: 1,767.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.40 : 3,410.80 = 1,177.52 : x
  2. Step 2: Convert to fraction form
    2,272.40/3,410.80 = 1,177.52/x
  3. Step 3: Cross multiply
    2,272.40x = 3,410.80 × 1,177.52
  4. Step 4: Simplify right side
    2,272.40x = 4,016,285.22
  5. Step 5: Solve for x
    x = 4,016,285.22/2,272.40
  6. Step 6: Final answer
    x = 1,767.42

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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.