Home / 1,591.53-2,386.92-1,127.94

Finding the Fourth Proportional to 1,591.53, 2,386.92 and 1,127.94

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Solution

The fourth proportional to 1,591.53, 2,386.92 and 1,127.94 is: 1,691.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.53 : 2,386.92 = 1,127.94 : x
  2. Step 2: Convert to fraction form
    1,591.53/2,386.92 = 1,127.94/x
  3. Step 3: Cross multiply
    1,591.53x = 2,386.92 × 1,127.94
  4. Step 4: Simplify right side
    1,591.53x = 2,692,302.54
  5. Step 5: Solve for x
    x = 2,692,302.54/1,591.53
  6. Step 6: Final answer
    x = 1,691.64

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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.