Home / 2,540.24-3,812.52-1,242.08

Finding the Fourth Proportional to 2,540.24, 3,812.52 and 1,242.08

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Solution

The fourth proportional to 2,540.24, 3,812.52 and 1,242.08 is: 1,864.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.24 : 3,812.52 = 1,242.08 : x
  2. Step 2: Convert to fraction form
    2,540.24/3,812.52 = 1,242.08/x
  3. Step 3: Cross multiply
    2,540.24x = 3,812.52 × 1,242.08
  4. Step 4: Simplify right side
    2,540.24x = 4,735,454.84
  5. Step 5: Solve for x
    x = 4,735,454.84/2,540.24
  6. Step 6: Final answer
    x = 1,864.18

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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.