Home / 1,591.07-2,195.25-927.51

Finding the Fourth Proportional to 1,591.07, 2,195.25 and 927.51

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Solution

The fourth proportional to 1,591.07, 2,195.25 and 927.51 is: 1,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.07 : 2,195.25 = 927.51 : x
  2. Step 2: Convert to fraction form
    1,591.07/2,195.25 = 927.51/x
  3. Step 3: Cross multiply
    1,591.07x = 2,195.25 × 927.51
  4. Step 4: Simplify right side
    1,591.07x = 2,036,116.33
  5. Step 5: Solve for x
    x = 2,036,116.33/1,591.07
  6. Step 6: Final answer
    x = 1,279.72

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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.