Home / 3,565.32-5,356.20-2,105.52

Finding the Fourth Proportional to 3,565.32, 5,356.20 and 2,105.52

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Solution

The fourth proportional to 3,565.32, 5,356.20 and 2,105.52 is: 3,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.32 : 5,356.20 = 2,105.52 : x
  2. Step 2: Convert to fraction form
    3,565.32/5,356.20 = 2,105.52/x
  3. Step 3: Cross multiply
    3,565.32x = 5,356.20 × 2,105.52
  4. Step 4: Simplify right side
    3,565.32x = 11,277,586.22
  5. Step 5: Solve for x
    x = 11,277,586.22/3,565.32
  6. Step 6: Final answer
    x = 3,163.13

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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.