Home / 2,543.73-3,511.61-1,941.28

Finding the Fourth Proportional to 2,543.73, 3,511.61 and 1,941.28

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Solution

The fourth proportional to 2,543.73, 3,511.61 and 1,941.28 is: 2,679.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.73 : 3,511.61 = 1,941.28 : x
  2. Step 2: Convert to fraction form
    2,543.73/3,511.61 = 1,941.28/x
  3. Step 3: Cross multiply
    2,543.73x = 3,511.61 × 1,941.28
  4. Step 4: Simplify right side
    2,543.73x = 6,817,032.27
  5. Step 5: Solve for x
    x = 6,817,032.27/2,543.73
  6. Step 6: Final answer
    x = 2,679.93

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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.