Home / 2,975.38-4,104.30-1,927.42

Finding the Fourth Proportional to 2,975.38, 4,104.30 and 1,927.42

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Solution

The fourth proportional to 2,975.38, 4,104.30 and 1,927.42 is: 2,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.38 : 4,104.30 = 1,927.42 : x
  2. Step 2: Convert to fraction form
    2,975.38/4,104.30 = 1,927.42/x
  3. Step 3: Cross multiply
    2,975.38x = 4,104.30 × 1,927.42
  4. Step 4: Simplify right side
    2,975.38x = 7,910,709.91
  5. Step 5: Solve for x
    x = 7,910,709.91/2,975.38
  6. Step 6: Final answer
    x = 2,658.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.