Home / 2,543.30-3,814.94-1,677.40

Finding the Fourth Proportional to 2,543.30, 3,814.94 and 1,677.40

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Solution

The fourth proportional to 2,543.30, 3,814.94 and 1,677.40 is: 2,516.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.30 : 3,814.94 = 1,677.40 : x
  2. Step 2: Convert to fraction form
    2,543.30/3,814.94 = 1,677.40/x
  3. Step 3: Cross multiply
    2,543.30x = 3,814.94 × 1,677.40
  4. Step 4: Simplify right side
    2,543.30x = 6,399,180.36
  5. Step 5: Solve for x
    x = 6,399,180.36/2,543.30
  6. Step 6: Final answer
    x = 2,516.09

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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.