Home / 3,701.61-5,106.98-2,209.79

Finding the Fourth Proportional to 3,701.61, 5,106.98 and 2,209.79

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Solution

The fourth proportional to 3,701.61, 5,106.98 and 2,209.79 is: 3,048.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.61 : 5,106.98 = 2,209.79 : x
  2. Step 2: Convert to fraction form
    3,701.61/5,106.98 = 2,209.79/x
  3. Step 3: Cross multiply
    3,701.61x = 5,106.98 × 2,209.79
  4. Step 4: Simplify right side
    3,701.61x = 11,285,371.63
  5. Step 5: Solve for x
    x = 11,285,371.63/3,701.61
  6. Step 6: Final answer
    x = 3,048.77

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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.