Home / 1,947.91-2,921.84-1,168.13

Finding the Fourth Proportional to 1,947.91, 2,921.84 and 1,168.13

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Solution

The fourth proportional to 1,947.91, 2,921.84 and 1,168.13 is: 1,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947.91 : 2,921.84 = 1,168.13 : x
  2. Step 2: Convert to fraction form
    1,947.91/2,921.84 = 1,168.13/x
  3. Step 3: Cross multiply
    1,947.91x = 2,921.84 × 1,168.13
  4. Step 4: Simplify right side
    1,947.91x = 3,413,088.96
  5. Step 5: Solve for x
    x = 3,413,088.96/1,947.91
  6. Step 6: Final answer
    x = 1,752.18

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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.