Home / 3,097.66-4,645.68-1,148.80

Finding the Fourth Proportional to 3,097.66, 4,645.68 and 1,148.80

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Solution

The fourth proportional to 3,097.66, 4,645.68 and 1,148.80 is: 1,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.66 : 4,645.68 = 1,148.80 : x
  2. Step 2: Convert to fraction form
    3,097.66/4,645.68 = 1,148.80/x
  3. Step 3: Cross multiply
    3,097.66x = 4,645.68 × 1,148.80
  4. Step 4: Simplify right side
    3,097.66x = 5,336,957.18
  5. Step 5: Solve for x
    x = 5,336,957.18/3,097.66
  6. Step 6: Final answer
    x = 1,722.90

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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.