Home / 3,167.39-4,750.71-1,218.23

Finding the Fourth Proportional to 3,167.39, 4,750.71 and 1,218.23

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Solution

The fourth proportional to 3,167.39, 4,750.71 and 1,218.23 is: 1,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.39 : 4,750.71 = 1,218.23 : x
  2. Step 2: Convert to fraction form
    3,167.39/4,750.71 = 1,218.23/x
  3. Step 3: Cross multiply
    3,167.39x = 4,750.71 × 1,218.23
  4. Step 4: Simplify right side
    3,167.39x = 5,787,433.69
  5. Step 5: Solve for x
    x = 5,787,433.69/3,167.39
  6. Step 6: Final answer
    x = 1,827.20

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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.