Home / 2,302.39-3,451.13-913.81

Finding the Fourth Proportional to 2,302.39, 3,451.13 and 913.81

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Solution

The fourth proportional to 2,302.39, 3,451.13 and 913.81 is: 1,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.39 : 3,451.13 = 913.81 : x
  2. Step 2: Convert to fraction form
    2,302.39/3,451.13 = 913.81/x
  3. Step 3: Cross multiply
    2,302.39x = 3,451.13 × 913.81
  4. Step 4: Simplify right side
    2,302.39x = 3,153,655.28
  5. Step 5: Solve for x
    x = 3,153,655.28/2,302.39
  6. Step 6: Final answer
    x = 1,369.73

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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.