Home / 3,079.24-4,621.24-2,148.76

Finding the Fourth Proportional to 3,079.24, 4,621.24 and 2,148.76

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Solution

The fourth proportional to 3,079.24, 4,621.24 and 2,148.76 is: 3,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.24 : 4,621.24 = 2,148.76 : x
  2. Step 2: Convert to fraction form
    3,079.24/4,621.24 = 2,148.76/x
  3. Step 3: Cross multiply
    3,079.24x = 4,621.24 × 2,148.76
  4. Step 4: Simplify right side
    3,079.24x = 9,929,935.66
  5. Step 5: Solve for x
    x = 9,929,935.66/3,079.24
  6. Step 6: Final answer
    x = 3,224.80

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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.