Home / 2,003.04-3,002.40-1,078.56

Finding the Fourth Proportional to 2,003.04, 3,002.40 and 1,078.56

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Solution

The fourth proportional to 2,003.04, 3,002.40 and 1,078.56 is: 1,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003.04 : 3,002.40 = 1,078.56 : x
  2. Step 2: Convert to fraction form
    2,003.04/3,002.40 = 1,078.56/x
  3. Step 3: Cross multiply
    2,003.04x = 3,002.40 × 1,078.56
  4. Step 4: Simplify right side
    2,003.04x = 3,238,268.54
  5. Step 5: Solve for x
    x = 3,238,268.54/2,003.04
  6. Step 6: Final answer
    x = 1,616.68

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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.