Home / 3,219.30-4,440.57-2,210.52

Finding the Fourth Proportional to 3,219.30, 4,440.57 and 2,210.52

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Solution

The fourth proportional to 3,219.30, 4,440.57 and 2,210.52 is: 3,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.30 : 4,440.57 = 2,210.52 : x
  2. Step 2: Convert to fraction form
    3,219.30/4,440.57 = 2,210.52/x
  3. Step 3: Cross multiply
    3,219.30x = 4,440.57 × 2,210.52
  4. Step 4: Simplify right side
    3,219.30x = 9,815,968.80
  5. Step 5: Solve for x
    x = 9,815,968.80/3,219.30
  6. Step 6: Final answer
    x = 3,049.10

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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.