Home / 2,963.13-4,444.69-911.13

Finding the Fourth Proportional to 2,963.13, 4,444.69 and 911.13

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Solution

The fourth proportional to 2,963.13, 4,444.69 and 911.13 is: 1,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.13 : 4,444.69 = 911.13 : x
  2. Step 2: Convert to fraction form
    2,963.13/4,444.69 = 911.13/x
  3. Step 3: Cross multiply
    2,963.13x = 4,444.69 × 911.13
  4. Step 4: Simplify right side
    2,963.13x = 4,049,690.40
  5. Step 5: Solve for x
    x = 4,049,690.40/2,963.13
  6. Step 6: Final answer
    x = 1,366.69

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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.