Home / 3,141.18-4,703.55-2,211.71

Finding the Fourth Proportional to 3,141.18, 4,703.55 and 2,211.71

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Solution

The fourth proportional to 3,141.18, 4,703.55 and 2,211.71 is: 3,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.18 : 4,703.55 = 2,211.71 : x
  2. Step 2: Convert to fraction form
    3,141.18/4,703.55 = 2,211.71/x
  3. Step 3: Cross multiply
    3,141.18x = 4,703.55 × 2,211.71
  4. Step 4: Simplify right side
    3,141.18x = 10,402,865.05
  5. Step 5: Solve for x
    x = 10,402,865.05/3,141.18
  6. Step 6: Final answer
    x = 3,311.77

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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.