Home / 3,927.23-5,890.85-1,005.56

Finding the Fourth Proportional to 3,927.23, 5,890.85 and 1,005.56

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Solution

The fourth proportional to 3,927.23, 5,890.85 and 1,005.56 is: 1,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.23 : 5,890.85 = 1,005.56 : x
  2. Step 2: Convert to fraction form
    3,927.23/5,890.85 = 1,005.56/x
  3. Step 3: Cross multiply
    3,927.23x = 5,890.85 × 1,005.56
  4. Step 4: Simplify right side
    3,927.23x = 5,923,630.47
  5. Step 5: Solve for x
    x = 5,923,630.47/3,927.23
  6. Step 6: Final answer
    x = 1,508.35

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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.