Home / 2,812.68-4,217.88-1,168.44

Finding the Fourth Proportional to 2,812.68, 4,217.88 and 1,168.44

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Solution

The fourth proportional to 2,812.68, 4,217.88 and 1,168.44 is: 1,752.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.68 : 4,217.88 = 1,168.44 : x
  2. Step 2: Convert to fraction form
    2,812.68/4,217.88 = 1,168.44/x
  3. Step 3: Cross multiply
    2,812.68x = 4,217.88 × 1,168.44
  4. Step 4: Simplify right side
    2,812.68x = 4,928,339.71
  5. Step 5: Solve for x
    x = 4,928,339.71/2,812.68
  6. Step 6: Final answer
    x = 1,752.19

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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.