Home / 1,962.30-2,957.56-1,691.66

Finding the Fourth Proportional to 1,962.30, 2,957.56 and 1,691.66

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Solution

The fourth proportional to 1,962.30, 2,957.56 and 1,691.66 is: 2,549.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.30 : 2,957.56 = 1,691.66 : x
  2. Step 2: Convert to fraction form
    1,962.30/2,957.56 = 1,691.66/x
  3. Step 3: Cross multiply
    1,962.30x = 2,957.56 × 1,691.66
  4. Step 4: Simplify right side
    1,962.30x = 5,003,185.95
  5. Step 5: Solve for x
    x = 5,003,185.95/1,962.30
  6. Step 6: Final answer
    x = 2,549.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.