Home / 3,013.93-4,520.89-822.66

Finding the Fourth Proportional to 3,013.93, 4,520.89 and 822.66

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Solution

The fourth proportional to 3,013.93, 4,520.89 and 822.66 is: 1,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.93 : 4,520.89 = 822.66 : x
  2. Step 2: Convert to fraction form
    3,013.93/4,520.89 = 822.66/x
  3. Step 3: Cross multiply
    3,013.93x = 4,520.89 × 822.66
  4. Step 4: Simplify right side
    3,013.93x = 3,719,128.65
  5. Step 5: Solve for x
    x = 3,719,128.65/3,013.93
  6. Step 6: Final answer
    x = 1,233.98

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Similar ratio
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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.