Home / 3,546.11-5,319.95-1,081.13

Finding the Fourth Proportional to 3,546.11, 5,319.95 and 1,081.13

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Solution

The fourth proportional to 3,546.11, 5,319.95 and 1,081.13 is: 1,621.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.11 : 5,319.95 = 1,081.13 : x
  2. Step 2: Convert to fraction form
    3,546.11/5,319.95 = 1,081.13/x
  3. Step 3: Cross multiply
    3,546.11x = 5,319.95 × 1,081.13
  4. Step 4: Simplify right side
    3,546.11x = 5,751,525.54
  5. Step 5: Solve for x
    x = 5,751,525.54/3,546.11
  6. Step 6: Final answer
    x = 1,621.92

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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.