Home / 2,673.28-4,012.62-2,478.88

Finding the Fourth Proportional to 2,673.28, 4,012.62 and 2,478.88

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Solution

The fourth proportional to 2,673.28, 4,012.62 and 2,478.88 is: 3,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.28 : 4,012.62 = 2,478.88 : x
  2. Step 2: Convert to fraction form
    2,673.28/4,012.62 = 2,478.88/x
  3. Step 3: Cross multiply
    2,673.28x = 4,012.62 × 2,478.88
  4. Step 4: Simplify right side
    2,673.28x = 9,946,803.47
  5. Step 5: Solve for x
    x = 9,946,803.47/2,673.28
  6. Step 6: Final answer
    x = 3,720.82

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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.