Home / 3,060.36-4,589.82-868.50

Finding the Fourth Proportional to 3,060.36, 4,589.82 and 868.50

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Solution

The fourth proportional to 3,060.36, 4,589.82 and 868.50 is: 1,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.36 : 4,589.82 = 868.50 : x
  2. Step 2: Convert to fraction form
    3,060.36/4,589.82 = 868.50/x
  3. Step 3: Cross multiply
    3,060.36x = 4,589.82 × 868.50
  4. Step 4: Simplify right side
    3,060.36x = 3,986,258.67
  5. Step 5: Solve for x
    x = 3,986,258.67/3,060.36
  6. Step 6: Final answer
    x = 1,302.55

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Double scale
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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.