Home / 3,478.06-5,217.09-880.93

Finding the Fourth Proportional to 3,478.06, 5,217.09 and 880.93

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Solution

The fourth proportional to 3,478.06, 5,217.09 and 880.93 is: 1,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.06 : 5,217.09 = 880.93 : x
  2. Step 2: Convert to fraction form
    3,478.06/5,217.09 = 880.93/x
  3. Step 3: Cross multiply
    3,478.06x = 5,217.09 × 880.93
  4. Step 4: Simplify right side
    3,478.06x = 4,595,891.09
  5. Step 5: Solve for x
    x = 4,595,891.09/3,478.06
  6. Step 6: Final answer
    x = 1,321.40

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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.