Home / 3,699.18-5,103.54-2,126.97

Finding the Fourth Proportional to 3,699.18, 5,103.54 and 2,126.97

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Solution

The fourth proportional to 3,699.18, 5,103.54 and 2,126.97 is: 2,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.18 : 5,103.54 = 2,126.97 : x
  2. Step 2: Convert to fraction form
    3,699.18/5,103.54 = 2,126.97/x
  3. Step 3: Cross multiply
    3,699.18x = 5,103.54 × 2,126.97
  4. Step 4: Simplify right side
    3,699.18x = 10,855,076.47
  5. Step 5: Solve for x
    x = 10,855,076.47/3,699.18
  6. Step 6: Final answer
    x = 2,934.45

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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.