Home / 2,276.98-3,142.23-1,332.95

Finding the Fourth Proportional to 2,276.98, 3,142.23 and 1,332.95

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Solution

The fourth proportional to 2,276.98, 3,142.23 and 1,332.95 is: 1,839.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.98 : 3,142.23 = 1,332.95 : x
  2. Step 2: Convert to fraction form
    2,276.98/3,142.23 = 1,332.95/x
  3. Step 3: Cross multiply
    2,276.98x = 3,142.23 × 1,332.95
  4. Step 4: Simplify right side
    2,276.98x = 4,188,435.48
  5. Step 5: Solve for x
    x = 4,188,435.48/2,276.98
  6. Step 6: Final answer
    x = 1,839.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.