Home / 3,240.25-4,471.56-1,843

Finding the Fourth Proportional to 3,240.25, 4,471.56 and 1,843

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Solution

The fourth proportional to 3,240.25, 4,471.56 and 1,843 is: 2,543.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.25 : 4,471.56 = 1,843 : x
  2. Step 2: Convert to fraction form
    3,240.25/4,471.56 = 1,843/x
  3. Step 3: Cross multiply
    3,240.25x = 4,471.56 × 1,843
  4. Step 4: Simplify right side
    3,240.25x = 8,241,085.08
  5. Step 5: Solve for x
    x = 8,241,085.08/3,240.25
  6. Step 6: Final answer
    x = 2,543.35

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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.