Home / 3,946.76-5,920.68-1,349

Finding the Fourth Proportional to 3,946.76, 5,920.68 and 1,349

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Solution

The fourth proportional to 3,946.76, 5,920.68 and 1,349 is: 2,023.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.76 : 5,920.68 = 1,349 : x
  2. Step 2: Convert to fraction form
    3,946.76/5,920.68 = 1,349/x
  3. Step 3: Cross multiply
    3,946.76x = 5,920.68 × 1,349
  4. Step 4: Simplify right side
    3,946.76x = 7,986,997.32
  5. Step 5: Solve for x
    x = 7,986,997.32/3,946.76
  6. Step 6: Final answer
    x = 2,023.68

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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.