Home / 3,062.88-4,591.80-1,215.54

Finding the Fourth Proportional to 3,062.88, 4,591.80 and 1,215.54

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Solution

The fourth proportional to 3,062.88, 4,591.80 and 1,215.54 is: 1,822.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.88 : 4,591.80 = 1,215.54 : x
  2. Step 2: Convert to fraction form
    3,062.88/4,591.80 = 1,215.54/x
  3. Step 3: Cross multiply
    3,062.88x = 4,591.80 × 1,215.54
  4. Step 4: Simplify right side
    3,062.88x = 5,581,516.57
  5. Step 5: Solve for x
    x = 5,581,516.57/3,062.88
  6. Step 6: Final answer
    x = 1,822.31

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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.