Home / 2,547.70-3,834.96-2,171.86

Finding the Fourth Proportional to 2,547.70, 3,834.96 and 2,171.86

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Solution

The fourth proportional to 2,547.70, 3,834.96 and 2,171.86 is: 3,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.70 : 3,834.96 = 2,171.86 : x
  2. Step 2: Convert to fraction form
    2,547.70/3,834.96 = 2,171.86/x
  3. Step 3: Cross multiply
    2,547.70x = 3,834.96 × 2,171.86
  4. Step 4: Simplify right side
    2,547.70x = 8,328,996.23
  5. Step 5: Solve for x
    x = 8,328,996.23/2,547.70
  6. Step 6: Final answer
    x = 3,269.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.