Home / 2,621.13-3,930.26-1,301.98

Finding the Fourth Proportional to 2,621.13, 3,930.26 and 1,301.98

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Solution

The fourth proportional to 2,621.13, 3,930.26 and 1,301.98 is: 1,952.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.13 : 3,930.26 = 1,301.98 : x
  2. Step 2: Convert to fraction form
    2,621.13/3,930.26 = 1,301.98/x
  3. Step 3: Cross multiply
    2,621.13x = 3,930.26 × 1,301.98
  4. Step 4: Simplify right side
    2,621.13x = 5,117,119.91
  5. Step 5: Solve for x
    x = 5,117,119.91/2,621.13
  6. Step 6: Final answer
    x = 1,952.26

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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.