Home / 3,211.44-4,813.28-1,565.52

Finding the Fourth Proportional to 3,211.44, 4,813.28 and 1,565.52

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Solution

The fourth proportional to 3,211.44, 4,813.28 and 1,565.52 is: 2,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.44 : 4,813.28 = 1,565.52 : x
  2. Step 2: Convert to fraction form
    3,211.44/4,813.28 = 1,565.52/x
  3. Step 3: Cross multiply
    3,211.44x = 4,813.28 × 1,565.52
  4. Step 4: Simplify right side
    3,211.44x = 7,535,286.11
  5. Step 5: Solve for x
    x = 7,535,286.11/3,211.44
  6. Step 6: Final answer
    x = 2,346.39

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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.