Home / 4,721.41-7,081.91-1,601.29

Finding the Fourth Proportional to 4,721.41, 7,081.91 and 1,601.29

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Solution

The fourth proportional to 4,721.41, 7,081.91 and 1,601.29 is: 2,401.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.41 : 7,081.91 = 1,601.29 : x
  2. Step 2: Convert to fraction form
    4,721.41/7,081.91 = 1,601.29/x
  3. Step 3: Cross multiply
    4,721.41x = 7,081.91 × 1,601.29
  4. Step 4: Simplify right side
    4,721.41x = 11,340,191.66
  5. Step 5: Solve for x
    x = 11,340,191.66/4,721.41
  6. Step 6: Final answer
    x = 2,401.87

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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.