Home / 3,215.94-4,438.17-1,799.54

Finding the Fourth Proportional to 3,215.94, 4,438.17 and 1,799.54

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Solution

The fourth proportional to 3,215.94, 4,438.17 and 1,799.54 is: 2,483.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.94 : 4,438.17 = 1,799.54 : x
  2. Step 2: Convert to fraction form
    3,215.94/4,438.17 = 1,799.54/x
  3. Step 3: Cross multiply
    3,215.94x = 4,438.17 × 1,799.54
  4. Step 4: Simplify right side
    3,215.94x = 7,986,633.25
  5. Step 5: Solve for x
    x = 7,986,633.25/3,215.94
  6. Step 6: Final answer
    x = 2,483.46

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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.