Home / 3,207.26-4,813.42-1,647.20

Finding the Fourth Proportional to 3,207.26, 4,813.42 and 1,647.20

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Solution

The fourth proportional to 3,207.26, 4,813.42 and 1,647.20 is: 2,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.26 : 4,813.42 = 1,647.20 : x
  2. Step 2: Convert to fraction form
    3,207.26/4,813.42 = 1,647.20/x
  3. Step 3: Cross multiply
    3,207.26x = 4,813.42 × 1,647.20
  4. Step 4: Simplify right side
    3,207.26x = 7,928,665.42
  5. Step 5: Solve for x
    x = 7,928,665.42/3,207.26
  6. Step 6: Final answer
    x = 2,472.10

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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.