Home / 3,589.03-5,382.73-1,280.53

Finding the Fourth Proportional to 3,589.03, 5,382.73 and 1,280.53

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Solution

The fourth proportional to 3,589.03, 5,382.73 and 1,280.53 is: 1,920.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.03 : 5,382.73 = 1,280.53 : x
  2. Step 2: Convert to fraction form
    3,589.03/5,382.73 = 1,280.53/x
  3. Step 3: Cross multiply
    3,589.03x = 5,382.73 × 1,280.53
  4. Step 4: Simplify right side
    3,589.03x = 6,892,747.25
  5. Step 5: Solve for x
    x = 6,892,747.25/3,589.03
  6. Step 6: Final answer
    x = 1,920.50

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1.5x scale

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.