Home / 3,152.72-4,350.92-2,270.80

Finding the Fourth Proportional to 3,152.72, 4,350.92 and 2,270.80

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Solution

The fourth proportional to 3,152.72, 4,350.92 and 2,270.80 is: 3,133.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.72 : 4,350.92 = 2,270.80 : x
  2. Step 2: Convert to fraction form
    3,152.72/4,350.92 = 2,270.80/x
  3. Step 3: Cross multiply
    3,152.72x = 4,350.92 × 2,270.80
  4. Step 4: Simplify right side
    3,152.72x = 9,880,069.14
  5. Step 5: Solve for x
    x = 9,880,069.14/3,152.72
  6. Step 6: Final answer
    x = 3,133.82

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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.