Home / 1,964.25-2,708.27-1,543.29

Finding the Fourth Proportional to 1,964.25, 2,708.27 and 1,543.29

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Solution

The fourth proportional to 1,964.25, 2,708.27 and 1,543.29 is: 2,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.25 : 2,708.27 = 1,543.29 : x
  2. Step 2: Convert to fraction form
    1,964.25/2,708.27 = 1,543.29/x
  3. Step 3: Cross multiply
    1,964.25x = 2,708.27 × 1,543.29
  4. Step 4: Simplify right side
    1,964.25x = 4,179,638.29
  5. Step 5: Solve for x
    x = 4,179,638.29/1,964.25
  6. Step 6: Final answer
    x = 2,127.85

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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.