Home / 3,946.30-5,920.06-1,348.62

Finding the Fourth Proportional to 3,946.30, 5,920.06 and 1,348.62

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Solution

The fourth proportional to 3,946.30, 5,920.06 and 1,348.62 is: 2,023.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.30 : 5,920.06 = 1,348.62 : x
  2. Step 2: Convert to fraction form
    3,946.30/5,920.06 = 1,348.62/x
  3. Step 3: Cross multiply
    3,946.30x = 5,920.06 × 1,348.62
  4. Step 4: Simplify right side
    3,946.30x = 7,983,911.32
  5. Step 5: Solve for x
    x = 7,983,911.32/3,946.30
  6. Step 6: Final answer
    x = 2,023.14

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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.