Home / 3,193.88-4,788.51-2,151.30

Finding the Fourth Proportional to 3,193.88, 4,788.51 and 2,151.30

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Solution

The fourth proportional to 3,193.88, 4,788.51 and 2,151.30 is: 3,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.88 : 4,788.51 = 2,151.30 : x
  2. Step 2: Convert to fraction form
    3,193.88/4,788.51 = 2,151.30/x
  3. Step 3: Cross multiply
    3,193.88x = 4,788.51 × 2,151.30
  4. Step 4: Simplify right side
    3,193.88x = 10,301,521.56
  5. Step 5: Solve for x
    x = 10,301,521.56/3,193.88
  6. Step 6: Final answer
    x = 3,225.39

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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.