Home / 2,301.45-3,451.64-839.81

Finding the Fourth Proportional to 2,301.45, 3,451.64 and 839.81

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Solution

The fourth proportional to 2,301.45, 3,451.64 and 839.81 is: 1,259.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.45 : 3,451.64 = 839.81 : x
  2. Step 2: Convert to fraction form
    2,301.45/3,451.64 = 839.81/x
  3. Step 3: Cross multiply
    2,301.45x = 3,451.64 × 839.81
  4. Step 4: Simplify right side
    2,301.45x = 2,898,700.33
  5. Step 5: Solve for x
    x = 2,898,700.33/2,301.45
  6. Step 6: Final answer
    x = 1,259.51

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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.