Home / 3,147.50-4,719.60-1,504.46

Finding the Fourth Proportional to 3,147.50, 4,719.60 and 1,504.46

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Solution

The fourth proportional to 3,147.50, 4,719.60 and 1,504.46 is: 2,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.50 : 4,719.60 = 1,504.46 : x
  2. Step 2: Convert to fraction form
    3,147.50/4,719.60 = 1,504.46/x
  3. Step 3: Cross multiply
    3,147.50x = 4,719.60 × 1,504.46
  4. Step 4: Simplify right side
    3,147.50x = 7,100,449.42
  5. Step 5: Solve for x
    x = 7,100,449.42/3,147.50
  6. Step 6: Final answer
    x = 2,255.90

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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.