Home / 1,966.48-2,713.60-1,082.28

Finding the Fourth Proportional to 1,966.48, 2,713.60 and 1,082.28

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Solution

The fourth proportional to 1,966.48, 2,713.60 and 1,082.28 is: 1,493.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.48 : 2,713.60 = 1,082.28 : x
  2. Step 2: Convert to fraction form
    1,966.48/2,713.60 = 1,082.28/x
  3. Step 3: Cross multiply
    1,966.48x = 2,713.60 × 1,082.28
  4. Step 4: Simplify right side
    1,966.48x = 2,936,875.01
  5. Step 5: Solve for x
    x = 2,936,875.01/1,966.48
  6. Step 6: Final answer
    x = 1,493.47

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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.