Home / 1,966.77-2,714.14-1,082.57

Finding the Fourth Proportional to 1,966.77, 2,714.14 and 1,082.57

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Solution

The fourth proportional to 1,966.77, 2,714.14 and 1,082.57 is: 1,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.77 : 2,714.14 = 1,082.57 : x
  2. Step 2: Convert to fraction form
    1,966.77/2,714.14 = 1,082.57/x
  3. Step 3: Cross multiply
    1,966.77x = 2,714.14 × 1,082.57
  4. Step 4: Simplify right side
    1,966.77x = 2,938,257.22
  5. Step 5: Solve for x
    x = 2,938,257.22/1,966.77
  6. Step 6: Final answer
    x = 1,493.95

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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.