Home / 2,543.26-3,814.90-1,671.28

Finding the Fourth Proportional to 2,543.26, 3,814.90 and 1,671.28

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Solution

The fourth proportional to 2,543.26, 3,814.90 and 1,671.28 is: 2,506.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.26 : 3,814.90 = 1,671.28 : x
  2. Step 2: Convert to fraction form
    2,543.26/3,814.90 = 1,671.28/x
  3. Step 3: Cross multiply
    2,543.26x = 3,814.90 × 1,671.28
  4. Step 4: Simplify right side
    2,543.26x = 6,375,766.07
  5. Step 5: Solve for x
    x = 6,375,766.07/2,543.26
  6. Step 6: Final answer
    x = 2,506.93

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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.