Home / 1,432.75-2,150.49-1,019.96

Finding the Fourth Proportional to 1,432.75, 2,150.49 and 1,019.96

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Solution

The fourth proportional to 1,432.75, 2,150.49 and 1,019.96 is: 1,530.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.75 : 2,150.49 = 1,019.96 : x
  2. Step 2: Convert to fraction form
    1,432.75/2,150.49 = 1,019.96/x
  3. Step 3: Cross multiply
    1,432.75x = 2,150.49 × 1,019.96
  4. Step 4: Simplify right side
    1,432.75x = 2,193,413.78
  5. Step 5: Solve for x
    x = 2,193,413.78/1,432.75
  6. Step 6: Final answer
    x = 1,530.91

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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.