Home / 2,126.24-3,181.76-1,541.92

Finding the Fourth Proportional to 2,126.24, 3,181.76 and 1,541.92

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Solution

The fourth proportional to 2,126.24, 3,181.76 and 1,541.92 is: 2,307.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.24 : 3,181.76 = 1,541.92 : x
  2. Step 2: Convert to fraction form
    2,126.24/3,181.76 = 1,541.92/x
  3. Step 3: Cross multiply
    2,126.24x = 3,181.76 × 1,541.92
  4. Step 4: Simplify right side
    2,126.24x = 4,906,019.38
  5. Step 5: Solve for x
    x = 4,906,019.38/2,126.24
  6. Step 6: Final answer
    x = 2,307.37

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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.