Home / 3,695.69-5,098.34-2,122.88

Finding the Fourth Proportional to 3,695.69, 5,098.34 and 2,122.88

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Solution

The fourth proportional to 3,695.69, 5,098.34 and 2,122.88 is: 2,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.69 : 5,098.34 = 2,122.88 : x
  2. Step 2: Convert to fraction form
    3,695.69/5,098.34 = 2,122.88/x
  3. Step 3: Cross multiply
    3,695.69x = 5,098.34 × 2,122.88
  4. Step 4: Simplify right side
    3,695.69x = 10,823,143.83
  5. Step 5: Solve for x
    x = 10,823,143.83/3,695.69
  6. Step 6: Final answer
    x = 2,928.58

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1.5x scale

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.