Home / 2,543.38-3,815.07-1,004.38

Finding the Fourth Proportional to 2,543.38, 3,815.07 and 1,004.38

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Solution

The fourth proportional to 2,543.38, 3,815.07 and 1,004.38 is: 1,506.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.38 : 3,815.07 = 1,004.38 : x
  2. Step 2: Convert to fraction form
    2,543.38/3,815.07 = 1,004.38/x
  3. Step 3: Cross multiply
    2,543.38x = 3,815.07 × 1,004.38
  4. Step 4: Simplify right side
    2,543.38x = 3,831,780.01
  5. Step 5: Solve for x
    x = 3,831,780.01/2,543.38
  6. Step 6: Final answer
    x = 1,506.57

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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.