Home / 2,240.16-3,356.72-1,891.86

Finding the Fourth Proportional to 2,240.16, 3,356.72 and 1,891.86

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Solution

The fourth proportional to 2,240.16, 3,356.72 and 1,891.86 is: 2,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.16 : 3,356.72 = 1,891.86 : x
  2. Step 2: Convert to fraction form
    2,240.16/3,356.72 = 1,891.86/x
  3. Step 3: Cross multiply
    2,240.16x = 3,356.72 × 1,891.86
  4. Step 4: Simplify right side
    2,240.16x = 6,350,444.30
  5. Step 5: Solve for x
    x = 6,350,444.30/2,240.16
  6. Step 6: Final answer
    x = 2,834.82

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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.