Home / 3,240.34-4,471.50-1,843

Finding the Fourth Proportional to 3,240.34, 4,471.50 and 1,843

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Solution

The fourth proportional to 3,240.34, 4,471.50 and 1,843 is: 2,543.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.34 : 4,471.50 = 1,843 : x
  2. Step 2: Convert to fraction form
    3,240.34/4,471.50 = 1,843/x
  3. Step 3: Cross multiply
    3,240.34x = 4,471.50 × 1,843
  4. Step 4: Simplify right side
    3,240.34x = 8,240,974.50
  5. Step 5: Solve for x
    x = 8,240,974.50/3,240.34
  6. Step 6: Final answer
    x = 2,543.24

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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.