Home / 2,313.11-3,463.49-1,387.39

Finding the Fourth Proportional to 2,313.11, 3,463.49 and 1,387.39

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Solution

The fourth proportional to 2,313.11, 3,463.49 and 1,387.39 is: 2,077.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.11 : 3,463.49 = 1,387.39 : x
  2. Step 2: Convert to fraction form
    2,313.11/3,463.49 = 1,387.39/x
  3. Step 3: Cross multiply
    2,313.11x = 3,463.49 × 1,387.39
  4. Step 4: Simplify right side
    2,313.11x = 4,805,211.39
  5. Step 5: Solve for x
    x = 4,805,211.39/2,313.11
  6. Step 6: Final answer
    x = 2,077.38

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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.