Home / 2,412.24-3,618.74-1,242.94

Finding the Fourth Proportional to 2,412.24, 3,618.74 and 1,242.94

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Solution

The fourth proportional to 2,412.24, 3,618.74 and 1,242.94 is: 1,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.24 : 3,618.74 = 1,242.94 : x
  2. Step 2: Convert to fraction form
    2,412.24/3,618.74 = 1,242.94/x
  3. Step 3: Cross multiply
    2,412.24x = 3,618.74 × 1,242.94
  4. Step 4: Simplify right side
    2,412.24x = 4,497,876.70
  5. Step 5: Solve for x
    x = 4,497,876.70/2,412.24
  6. Step 6: Final answer
    x = 1,864.61

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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.