Home / 2,379.36-3,565.44-1,061.76

Finding the Fourth Proportional to 2,379.36, 3,565.44 and 1,061.76

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Solution

The fourth proportional to 2,379.36, 3,565.44 and 1,061.76 is: 1,591.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.36 : 3,565.44 = 1,061.76 : x
  2. Step 2: Convert to fraction form
    2,379.36/3,565.44 = 1,061.76/x
  3. Step 3: Cross multiply
    2,379.36x = 3,565.44 × 1,061.76
  4. Step 4: Simplify right side
    2,379.36x = 3,785,641.57
  5. Step 5: Solve for x
    x = 3,785,641.57/2,379.36
  6. Step 6: Final answer
    x = 1,591.03

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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.