Home / 1,966.38-2,713.70-1,258.83

Finding the Fourth Proportional to 1,966.38, 2,713.70 and 1,258.83

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Solution

The fourth proportional to 1,966.38, 2,713.70 and 1,258.83 is: 1,737.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.38 : 2,713.70 = 1,258.83 : x
  2. Step 2: Convert to fraction form
    1,966.38/2,713.70 = 1,258.83/x
  3. Step 3: Cross multiply
    1,966.38x = 2,713.70 × 1,258.83
  4. Step 4: Simplify right side
    1,966.38x = 3,416,080.68
  5. Step 5: Solve for x
    x = 3,416,080.68/1,966.38
  6. Step 6: Final answer
    x = 1,737.24

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1.5x scale

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.