Home / 1,591.18-2,386.36-616.75

Finding the Fourth Proportional to 1,591.18, 2,386.36 and 616.75

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Solution

The fourth proportional to 1,591.18, 2,386.36 and 616.75 is: 924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.18 : 2,386.36 = 616.75 : x
  2. Step 2: Convert to fraction form
    1,591.18/2,386.36 = 616.75/x
  3. Step 3: Cross multiply
    1,591.18x = 2,386.36 × 616.75
  4. Step 4: Simplify right side
    1,591.18x = 1,471,787.53
  5. Step 5: Solve for x
    x = 1,471,787.53/1,591.18
  6. Step 6: Final answer
    x = 924.97

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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.