Home / 3,167.60-4,751.97-1,087.07

Finding the Fourth Proportional to 3,167.60, 4,751.97 and 1,087.07

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Solution

The fourth proportional to 3,167.60, 4,751.97 and 1,087.07 is: 1,630.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.60 : 4,751.97 = 1,087.07 : x
  2. Step 2: Convert to fraction form
    3,167.60/4,751.97 = 1,087.07/x
  3. Step 3: Cross multiply
    3,167.60x = 4,751.97 × 1,087.07
  4. Step 4: Simplify right side
    3,167.60x = 5,165,697.55
  5. Step 5: Solve for x
    x = 5,165,697.55/3,167.60
  6. Step 6: Final answer
    x = 1,630.79

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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.