Home / 2,002.03-3,003.96-1,271.20

Finding the Fourth Proportional to 2,002.03, 3,003.96 and 1,271.20

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Solution

The fourth proportional to 2,002.03, 3,003.96 and 1,271.20 is: 1,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.03 : 3,003.96 = 1,271.20 : x
  2. Step 2: Convert to fraction form
    2,002.03/3,003.96 = 1,271.20/x
  3. Step 3: Cross multiply
    2,002.03x = 3,003.96 × 1,271.20
  4. Step 4: Simplify right side
    2,002.03x = 3,818,633.95
  5. Step 5: Solve for x
    x = 3,818,633.95/2,002.03
  6. Step 6: Final answer
    x = 1,907.38

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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.