Home / 2,206.31-3,043.17-1,543.32

Finding the Fourth Proportional to 2,206.31, 3,043.17 and 1,543.32

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Solution

The fourth proportional to 2,206.31, 3,043.17 and 1,543.32 is: 2,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.31 : 3,043.17 = 1,543.32 : x
  2. Step 2: Convert to fraction form
    2,206.31/3,043.17 = 1,543.32/x
  3. Step 3: Cross multiply
    2,206.31x = 3,043.17 × 1,543.32
  4. Step 4: Simplify right side
    2,206.31x = 4,696,585.12
  5. Step 5: Solve for x
    x = 4,696,585.12/2,206.31
  6. Step 6: Final answer
    x = 2,128.71

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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.