Home / 3,170.20-4,748.10-2,003.80

Finding the Fourth Proportional to 3,170.20, 4,748.10 and 2,003.80

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Solution

The fourth proportional to 3,170.20, 4,748.10 and 2,003.80 is: 3,001.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.20 : 4,748.10 = 2,003.80 : x
  2. Step 2: Convert to fraction form
    3,170.20/4,748.10 = 2,003.80/x
  3. Step 3: Cross multiply
    3,170.20x = 4,748.10 × 2,003.80
  4. Step 4: Simplify right side
    3,170.20x = 9,514,242.78
  5. Step 5: Solve for x
    x = 9,514,242.78/3,170.20
  6. Step 6: Final answer
    x = 3,001.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.