Home / 3,195.56-4,788.48-2,207.36

Finding the Fourth Proportional to 3,195.56, 4,788.48 and 2,207.36

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Solution

The fourth proportional to 3,195.56, 4,788.48 and 2,207.36 is: 3,307.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.56 : 4,788.48 = 2,207.36 : x
  2. Step 2: Convert to fraction form
    3,195.56/4,788.48 = 2,207.36/x
  3. Step 3: Cross multiply
    3,195.56x = 4,788.48 × 2,207.36
  4. Step 4: Simplify right side
    3,195.56x = 10,569,899.21
  5. Step 5: Solve for x
    x = 10,569,899.21/3,195.56
  6. Step 6: Final answer
    x = 3,307.68

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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.