Home / 2,375.81-3,565.24-1,280.94

Finding the Fourth Proportional to 2,375.81, 3,565.24 and 1,280.94

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Solution

The fourth proportional to 2,375.81, 3,565.24 and 1,280.94 is: 1,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.81 : 3,565.24 = 1,280.94 : x
  2. Step 2: Convert to fraction form
    2,375.81/3,565.24 = 1,280.94/x
  3. Step 3: Cross multiply
    2,375.81x = 3,565.24 × 1,280.94
  4. Step 4: Simplify right side
    2,375.81x = 4,566,858.53
  5. Step 5: Solve for x
    x = 4,566,858.53/2,375.81
  6. Step 6: Final answer
    x = 1,922.23

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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.