Home / 2,951.73-4,421.52-2,131.65

Finding the Fourth Proportional to 2,951.73, 4,421.52 and 2,131.65

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Solution

The fourth proportional to 2,951.73, 4,421.52 and 2,131.65 is: 3,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.73 : 4,421.52 = 2,131.65 : x
  2. Step 2: Convert to fraction form
    2,951.73/4,421.52 = 2,131.65/x
  3. Step 3: Cross multiply
    2,951.73x = 4,421.52 × 2,131.65
  4. Step 4: Simplify right side
    2,951.73x = 9,425,133.11
  5. Step 5: Solve for x
    x = 9,425,133.11/2,951.73
  6. Step 6: Final answer
    x = 3,193.09

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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.