Home / 3,984.33-5,498.51-2,491.77

Finding the Fourth Proportional to 3,984.33, 5,498.51 and 2,491.77

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Solution

The fourth proportional to 3,984.33, 5,498.51 and 2,491.77 is: 3,438.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.33 : 5,498.51 = 2,491.77 : x
  2. Step 2: Convert to fraction form
    3,984.33/5,498.51 = 2,491.77/x
  3. Step 3: Cross multiply
    3,984.33x = 5,498.51 × 2,491.77
  4. Step 4: Simplify right side
    3,984.33x = 13,701,009.80
  5. Step 5: Solve for x
    x = 13,701,009.80/3,984.33
  6. Step 6: Final answer
    x = 3,438.72

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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.