Home / 3,112.80-4,294.53-2,365.98

Finding the Fourth Proportional to 3,112.80, 4,294.53 and 2,365.98

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Solution

The fourth proportional to 3,112.80, 4,294.53 and 2,365.98 is: 3,264.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.80 : 4,294.53 = 2,365.98 : x
  2. Step 2: Convert to fraction form
    3,112.80/4,294.53 = 2,365.98/x
  3. Step 3: Cross multiply
    3,112.80x = 4,294.53 × 2,365.98
  4. Step 4: Simplify right side
    3,112.80x = 10,160,772.09
  5. Step 5: Solve for x
    x = 10,160,772.09/3,112.80
  6. Step 6: Final answer
    x = 3,264.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.