Home / 3,698.12-5,102.78-2,371.56

Finding the Fourth Proportional to 3,698.12, 5,102.78 and 2,371.56

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Solution

The fourth proportional to 3,698.12, 5,102.78 and 2,371.56 is: 3,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.12 : 5,102.78 = 2,371.56 : x
  2. Step 2: Convert to fraction form
    3,698.12/5,102.78 = 2,371.56/x
  3. Step 3: Cross multiply
    3,698.12x = 5,102.78 × 2,371.56
  4. Step 4: Simplify right side
    3,698.12x = 12,101,548.94
  5. Step 5: Solve for x
    x = 12,101,548.94/3,698.12
  6. Step 6: Final answer
    x = 3,272.35

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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.