Home / 3,172.17-4,377.30-1,845.86

Finding the Fourth Proportional to 3,172.17, 4,377.30 and 1,845.86

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Solution

The fourth proportional to 3,172.17, 4,377.30 and 1,845.86 is: 2,547.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.17 : 4,377.30 = 1,845.86 : x
  2. Step 2: Convert to fraction form
    3,172.17/4,377.30 = 1,845.86/x
  3. Step 3: Cross multiply
    3,172.17x = 4,377.30 × 1,845.86
  4. Step 4: Simplify right side
    3,172.17x = 8,079,882.98
  5. Step 5: Solve for x
    x = 8,079,882.98/3,172.17
  6. Step 6: Final answer
    x = 2,547.12

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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.