Home / 3,040.24-4,194.50-2,479.74

Finding the Fourth Proportional to 3,040.24, 4,194.50 and 2,479.74

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Solution

The fourth proportional to 3,040.24, 4,194.50 and 2,479.74 is: 3,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.24 : 4,194.50 = 2,479.74 : x
  2. Step 2: Convert to fraction form
    3,040.24/4,194.50 = 2,479.74/x
  3. Step 3: Cross multiply
    3,040.24x = 4,194.50 × 2,479.74
  4. Step 4: Simplify right side
    3,040.24x = 10,401,269.43
  5. Step 5: Solve for x
    x = 10,401,269.43/3,040.24
  6. Step 6: Final answer
    x = 3,421.20

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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.