Home / 2,272.65-3,411.14-1,177.80

Finding the Fourth Proportional to 2,272.65, 3,411.14 and 1,177.80

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Solution

The fourth proportional to 2,272.65, 3,411.14 and 1,177.80 is: 1,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.65 : 3,411.14 = 1,177.80 : x
  2. Step 2: Convert to fraction form
    2,272.65/3,411.14 = 1,177.80/x
  3. Step 3: Cross multiply
    2,272.65x = 3,411.14 × 1,177.80
  4. Step 4: Simplify right side
    2,272.65x = 4,017,634.80
  5. Step 5: Solve for x
    x = 4,017,634.80/2,272.65
  6. Step 6: Final answer
    x = 1,767.82

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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.