Home / 3,890.92-5,836.76-1,294.08

Finding the Fourth Proportional to 3,890.92, 5,836.76 and 1,294.08

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Solution

The fourth proportional to 3,890.92, 5,836.76 and 1,294.08 is: 1,941.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.92 : 5,836.76 = 1,294.08 : x
  2. Step 2: Convert to fraction form
    3,890.92/5,836.76 = 1,294.08/x
  3. Step 3: Cross multiply
    3,890.92x = 5,836.76 × 1,294.08
  4. Step 4: Simplify right side
    3,890.92x = 7,553,234.38
  5. Step 5: Solve for x
    x = 7,553,234.38/3,890.92
  6. Step 6: Final answer
    x = 1,941.25

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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.