Home / 3,280.15-4,527.38-2,288.47

Finding the Fourth Proportional to 3,280.15, 4,527.38 and 2,288.47

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Solution

The fourth proportional to 3,280.15, 4,527.38 and 2,288.47 is: 3,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.15 : 4,527.38 = 2,288.47 : x
  2. Step 2: Convert to fraction form
    3,280.15/4,527.38 = 2,288.47/x
  3. Step 3: Cross multiply
    3,280.15x = 4,527.38 × 2,288.47
  4. Step 4: Simplify right side
    3,280.15x = 10,360,763.33
  5. Step 5: Solve for x
    x = 10,360,763.33/3,280.15
  6. Step 6: Final answer
    x = 3,158.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.