Home / 3,151.26-4,721.49-2,225.16

Finding the Fourth Proportional to 3,151.26, 4,721.49 and 2,225.16

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Solution

The fourth proportional to 3,151.26, 4,721.49 and 2,225.16 is: 3,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.26 : 4,721.49 = 2,225.16 : x
  2. Step 2: Convert to fraction form
    3,151.26/4,721.49 = 2,225.16/x
  3. Step 3: Cross multiply
    3,151.26x = 4,721.49 × 2,225.16
  4. Step 4: Simplify right side
    3,151.26x = 10,506,070.69
  5. Step 5: Solve for x
    x = 10,506,070.69/3,151.26
  6. Step 6: Final answer
    x = 3,333.93

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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.