Home / 3,582.78-4,939.02-2,517.22

Finding the Fourth Proportional to 3,582.78, 4,939.02 and 2,517.22

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Solution

The fourth proportional to 3,582.78, 4,939.02 and 2,517.22 is: 3,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.78 : 4,939.02 = 2,517.22 : x
  2. Step 2: Convert to fraction form
    3,582.78/4,939.02 = 2,517.22/x
  3. Step 3: Cross multiply
    3,582.78x = 4,939.02 × 2,517.22
  4. Step 4: Simplify right side
    3,582.78x = 12,432,599.92
  5. Step 5: Solve for x
    x = 12,432,599.92/3,582.78
  6. Step 6: Final answer
    x = 3,470.10

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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.