Home / 3,172.60-4,369.18-3,104.76

Finding the Fourth Proportional to 3,172.60, 4,369.18 and 3,104.76

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Solution

The fourth proportional to 3,172.60, 4,369.18 and 3,104.76 is: 4,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.60 : 4,369.18 = 3,104.76 : x
  2. Step 2: Convert to fraction form
    3,172.60/4,369.18 = 3,104.76/x
  3. Step 3: Cross multiply
    3,172.60x = 4,369.18 × 3,104.76
  4. Step 4: Simplify right side
    3,172.60x = 13,565,255.30
  5. Step 5: Solve for x
    x = 13,565,255.30/3,172.60
  6. Step 6: Final answer
    x = 4,275.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.