Home / 3,821.52-5,273.65-2,142.93

Finding the Fourth Proportional to 3,821.52, 5,273.65 and 2,142.93

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Solution

The fourth proportional to 3,821.52, 5,273.65 and 2,142.93 is: 2,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.52 : 5,273.65 = 2,142.93 : x
  2. Step 2: Convert to fraction form
    3,821.52/5,273.65 = 2,142.93/x
  3. Step 3: Cross multiply
    3,821.52x = 5,273.65 × 2,142.93
  4. Step 4: Simplify right side
    3,821.52x = 11,301,025.71
  5. Step 5: Solve for x
    x = 11,301,025.71/3,821.52
  6. Step 6: Final answer
    x = 2,957.21

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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.