Home / 3,207.20-4,811.24-1,357.16

Finding the Fourth Proportional to 3,207.20, 4,811.24 and 1,357.16

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Solution

The fourth proportional to 3,207.20, 4,811.24 and 1,357.16 is: 2,035.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.20 : 4,811.24 = 1,357.16 : x
  2. Step 2: Convert to fraction form
    3,207.20/4,811.24 = 1,357.16/x
  3. Step 3: Cross multiply
    3,207.20x = 4,811.24 × 1,357.16
  4. Step 4: Simplify right side
    3,207.20x = 6,529,622.48
  5. Step 5: Solve for x
    x = 6,529,622.48/3,207.20
  6. Step 6: Final answer
    x = 2,035.93

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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.