Home / 1,966.91-2,714.60-1,270.31

Finding the Fourth Proportional to 1,966.91, 2,714.60 and 1,270.31

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Solution

The fourth proportional to 1,966.91, 2,714.60 and 1,270.31 is: 1,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.91 : 2,714.60 = 1,270.31 : x
  2. Step 2: Convert to fraction form
    1,966.91/2,714.60 = 1,270.31/x
  3. Step 3: Cross multiply
    1,966.91x = 2,714.60 × 1,270.31
  4. Step 4: Simplify right side
    1,966.91x = 3,448,383.53
  5. Step 5: Solve for x
    x = 3,448,383.53/1,966.91
  6. Step 6: Final answer
    x = 1,753.20

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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.