Home / 3,049.90-4,210.05-2,002.30

Finding the Fourth Proportional to 3,049.90, 4,210.05 and 2,002.30

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Solution

The fourth proportional to 3,049.90, 4,210.05 and 2,002.30 is: 2,763.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.90 : 4,210.05 = 2,002.30 : x
  2. Step 2: Convert to fraction form
    3,049.90/4,210.05 = 2,002.30/x
  3. Step 3: Cross multiply
    3,049.90x = 4,210.05 × 2,002.30
  4. Step 4: Simplify right side
    3,049.90x = 8,429,783.12
  5. Step 5: Solve for x
    x = 8,429,783.12/3,049.90
  6. Step 6: Final answer
    x = 2,763.95

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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.