Home / 1,523.25-2,283.57-1,387.83

Finding the Fourth Proportional to 1,523.25, 2,283.57 and 1,387.83

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Solution

The fourth proportional to 1,523.25, 2,283.57 and 1,387.83 is: 2,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.25 : 2,283.57 = 1,387.83 : x
  2. Step 2: Convert to fraction form
    1,523.25/2,283.57 = 1,387.83/x
  3. Step 3: Cross multiply
    1,523.25x = 2,283.57 × 1,387.83
  4. Step 4: Simplify right side
    1,523.25x = 3,169,206.95
  5. Step 5: Solve for x
    x = 3,169,206.95/1,523.25
  6. Step 6: Final answer
    x = 2,080.56

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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.