Home / 3,003.12-4,502.16-1,615.68

Finding the Fourth Proportional to 3,003.12, 4,502.16 and 1,615.68

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Solution

The fourth proportional to 3,003.12, 4,502.16 and 1,615.68 is: 2,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.12 : 4,502.16 = 1,615.68 : x
  2. Step 2: Convert to fraction form
    3,003.12/4,502.16 = 1,615.68/x
  3. Step 3: Cross multiply
    3,003.12x = 4,502.16 × 1,615.68
  4. Step 4: Simplify right side
    3,003.12x = 7,274,049.87
  5. Step 5: Solve for x
    x = 7,274,049.87/3,003.12
  6. Step 6: Final answer
    x = 2,422.16

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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.