Home / 3,218.64-4,793.18-3,182.19

Finding the Fourth Proportional to 3,218.64, 4,793.18 and 3,182.19

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Solution

The fourth proportional to 3,218.64, 4,793.18 and 3,182.19 is: 4,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.64 : 4,793.18 = 3,182.19 : x
  2. Step 2: Convert to fraction form
    3,218.64/4,793.18 = 3,182.19/x
  3. Step 3: Cross multiply
    3,218.64x = 4,793.18 × 3,182.19
  4. Step 4: Simplify right side
    3,218.64x = 15,252,809.46
  5. Step 5: Solve for x
    x = 15,252,809.46/3,218.64
  6. Step 6: Final answer
    x = 4,738.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.