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Finding the Fourth Proportional to 2,950.80, 4,425.84 and 1,003.20

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Solution

The fourth proportional to 2,950.80, 4,425.84 and 1,003.20 is: 1,504.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.80 : 4,425.84 = 1,003.20 : x
  2. Step 2: Convert to fraction form
    2,950.80/4,425.84 = 1,003.20/x
  3. Step 3: Cross multiply
    2,950.80x = 4,425.84 × 1,003.20
  4. Step 4: Simplify right side
    2,950.80x = 4,440,002.69
  5. Step 5: Solve for x
    x = 4,440,002.69/2,950.80
  6. Step 6: Final answer
    x = 1,504.68

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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.