Home / 2,541.08-3,811.26-1,242.20

Finding the Fourth Proportional to 2,541.08, 3,811.26 and 1,242.20

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Solution

The fourth proportional to 2,541.08, 3,811.26 and 1,242.20 is: 1,863.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.08 : 3,811.26 = 1,242.20 : x
  2. Step 2: Convert to fraction form
    2,541.08/3,811.26 = 1,242.20/x
  3. Step 3: Cross multiply
    2,541.08x = 3,811.26 × 1,242.20
  4. Step 4: Simplify right side
    2,541.08x = 4,734,347.17
  5. Step 5: Solve for x
    x = 4,734,347.17/2,541.08
  6. Step 6: Final answer
    x = 1,863.12

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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.