Home / 3,695.24-5,102-2,990.22

Finding the Fourth Proportional to 3,695.24, 5,102 and 2,990.22

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Solution

The fourth proportional to 3,695.24, 5,102 and 2,990.22 is: 4,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.24 : 5,102 = 2,990.22 : x
  2. Step 2: Convert to fraction form
    3,695.24/5,102 = 2,990.22/x
  3. Step 3: Cross multiply
    3,695.24x = 5,102 × 2,990.22
  4. Step 4: Simplify right side
    3,695.24x = 15,256,102.44
  5. Step 5: Solve for x
    x = 15,256,102.44/3,695.24
  6. Step 6: Final answer
    x = 4,128.58

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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.