Home / 3,711.10-5,565.26-1,211.70

Finding the Fourth Proportional to 3,711.10, 5,565.26 and 1,211.70

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Solution

The fourth proportional to 3,711.10, 5,565.26 and 1,211.70 is: 1,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.10 : 5,565.26 = 1,211.70 : x
  2. Step 2: Convert to fraction form
    3,711.10/5,565.26 = 1,211.70/x
  3. Step 3: Cross multiply
    3,711.10x = 5,565.26 × 1,211.70
  4. Step 4: Simplify right side
    3,711.10x = 6,743,429.92
  5. Step 5: Solve for x
    x = 6,743,429.92/3,711.10
  6. Step 6: Final answer
    x = 1,817.10

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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.