Home / 3,168.66-4,372.65-2,225.82

Finding the Fourth Proportional to 3,168.66, 4,372.65 and 2,225.82

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Solution

The fourth proportional to 3,168.66, 4,372.65 and 2,225.82 is: 3,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.66 : 4,372.65 = 2,225.82 : x
  2. Step 2: Convert to fraction form
    3,168.66/4,372.65 = 2,225.82/x
  3. Step 3: Cross multiply
    3,168.66x = 4,372.65 × 2,225.82
  4. Step 4: Simplify right side
    3,168.66x = 9,732,731.82
  5. Step 5: Solve for x
    x = 9,732,731.82/3,168.66
  6. Step 6: Final answer
    x = 3,071.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.