Home / 1,258.16-1,886.06-794.59

Finding the Fourth Proportional to 1,258.16, 1,886.06 and 794.59

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Solution

The fourth proportional to 1,258.16, 1,886.06 and 794.59 is: 1,191.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258.16 : 1,886.06 = 794.59 : x
  2. Step 2: Convert to fraction form
    1,258.16/1,886.06 = 794.59/x
  3. Step 3: Cross multiply
    1,258.16x = 1,886.06 × 794.59
  4. Step 4: Simplify right side
    1,258.16x = 1,498,641.69
  5. Step 5: Solve for x
    x = 1,498,641.69/1,258.16
  6. Step 6: Final answer
    x = 1,191.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.