Home / 3,216.14-4,438.35-1,799.78

Finding the Fourth Proportional to 3,216.14, 4,438.35 and 1,799.78

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Solution

The fourth proportional to 3,216.14, 4,438.35 and 1,799.78 is: 2,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.14 : 4,438.35 = 1,799.78 : x
  2. Step 2: Convert to fraction form
    3,216.14/4,438.35 = 1,799.78/x
  3. Step 3: Cross multiply
    3,216.14x = 4,438.35 × 1,799.78
  4. Step 4: Simplify right side
    3,216.14x = 7,988,053.56
  5. Step 5: Solve for x
    x = 7,988,053.56/3,216.14
  6. Step 6: Final answer
    x = 2,483.74

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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.