Home / 1,505.13-2,077.17-832.95

Finding the Fourth Proportional to 1,505.13, 2,077.17 and 832.95

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Solution

The fourth proportional to 1,505.13, 2,077.17 and 832.95 is: 1,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505.13 : 2,077.17 = 832.95 : x
  2. Step 2: Convert to fraction form
    1,505.13/2,077.17 = 832.95/x
  3. Step 3: Cross multiply
    1,505.13x = 2,077.17 × 832.95
  4. Step 4: Simplify right side
    1,505.13x = 1,730,178.75
  5. Step 5: Solve for x
    x = 1,730,178.75/1,505.13
  6. Step 6: Final answer
    x = 1,149.52

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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.