Home / 3,215.42-4,436.96-1,799.02

Finding the Fourth Proportional to 3,215.42, 4,436.96 and 1,799.02

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Solution

The fourth proportional to 3,215.42, 4,436.96 and 1,799.02 is: 2,482.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.42 : 4,436.96 = 1,799.02 : x
  2. Step 2: Convert to fraction form
    3,215.42/4,436.96 = 1,799.02/x
  3. Step 3: Cross multiply
    3,215.42x = 4,436.96 × 1,799.02
  4. Step 4: Simplify right side
    3,215.42x = 7,982,179.78
  5. Step 5: Solve for x
    x = 7,982,179.78/3,215.42
  6. Step 6: Final answer
    x = 2,482.47

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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.