Home / 3,340.80-4,612.68-2,223.30

Finding the Fourth Proportional to 3,340.80, 4,612.68 and 2,223.30

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Solution

The fourth proportional to 3,340.80, 4,612.68 and 2,223.30 is: 3,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.80 : 4,612.68 = 2,223.30 : x
  2. Step 2: Convert to fraction form
    3,340.80/4,612.68 = 2,223.30/x
  3. Step 3: Cross multiply
    3,340.80x = 4,612.68 × 2,223.30
  4. Step 4: Simplify right side
    3,340.80x = 10,255,371.44
  5. Step 5: Solve for x
    x = 10,255,371.44/3,340.80
  6. Step 6: Final answer
    x = 3,069.74

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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.