Home / 3,698.46-5,103.81-2,126.25

Finding the Fourth Proportional to 3,698.46, 5,103.81 and 2,126.25

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Solution

The fourth proportional to 3,698.46, 5,103.81 and 2,126.25 is: 2,934.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.46 : 5,103.81 = 2,126.25 : x
  2. Step 2: Convert to fraction form
    3,698.46/5,103.81 = 2,126.25/x
  3. Step 3: Cross multiply
    3,698.46x = 5,103.81 × 2,126.25
  4. Step 4: Simplify right side
    3,698.46x = 10,851,976.01
  5. Step 5: Solve for x
    x = 10,851,976.01/3,698.46
  6. Step 6: Final answer
    x = 2,934.19

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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.