Home / 2,839.47-4,258.40-1,195.79

Finding the Fourth Proportional to 2,839.47, 4,258.40 and 1,195.79

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Solution

The fourth proportional to 2,839.47, 4,258.40 and 1,195.79 is: 1,793.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.47 : 4,258.40 = 1,195.79 : x
  2. Step 2: Convert to fraction form
    2,839.47/4,258.40 = 1,195.79/x
  3. Step 3: Cross multiply
    2,839.47x = 4,258.40 × 1,195.79
  4. Step 4: Simplify right side
    2,839.47x = 5,092,124.87
  5. Step 5: Solve for x
    x = 5,092,124.87/2,839.47
  6. Step 6: Final answer
    x = 1,793.34

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1.5x scale

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.