Home / 3,319.11-4,946.74-3,180.60

Finding the Fourth Proportional to 3,319.11, 4,946.74 and 3,180.60

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Solution

The fourth proportional to 3,319.11, 4,946.74 and 3,180.60 is: 4,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.11 : 4,946.74 = 3,180.60 : x
  2. Step 2: Convert to fraction form
    3,319.11/4,946.74 = 3,180.60/x
  3. Step 3: Cross multiply
    3,319.11x = 4,946.74 × 3,180.60
  4. Step 4: Simplify right side
    3,319.11x = 15,733,593.29
  5. Step 5: Solve for x
    x = 15,733,593.29/3,319.11
  6. Step 6: Final answer
    x = 4,740.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.