Home / 3,981.47-5,968.08-1,348.10

Finding the Fourth Proportional to 3,981.47, 5,968.08 and 1,348.10

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Solution

The fourth proportional to 3,981.47, 5,968.08 and 1,348.10 is: 2,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.47 : 5,968.08 = 1,348.10 : x
  2. Step 2: Convert to fraction form
    3,981.47/5,968.08 = 1,348.10/x
  3. Step 3: Cross multiply
    3,981.47x = 5,968.08 × 1,348.10
  4. Step 4: Simplify right side
    3,981.47x = 8,045,586.94
  5. Step 5: Solve for x
    x = 8,045,586.94/3,981.47
  6. Step 6: Final answer
    x = 2,020.76

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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.