Home / 3,924.65-5,417.79-2,434.61

Finding the Fourth Proportional to 3,924.65, 5,417.79 and 2,434.61

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Solution

The fourth proportional to 3,924.65, 5,417.79 and 2,434.61 is: 3,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.65 : 5,417.79 = 2,434.61 : x
  2. Step 2: Convert to fraction form
    3,924.65/5,417.79 = 2,434.61/x
  3. Step 3: Cross multiply
    3,924.65x = 5,417.79 × 2,434.61
  4. Step 4: Simplify right side
    3,924.65x = 13,190,205.71
  5. Step 5: Solve for x
    x = 13,190,205.71/3,924.65
  6. Step 6: Final answer
    x = 3,360.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.