Home / 3,278.19-4,909.41-2,884.18

Finding the Fourth Proportional to 3,278.19, 4,909.41 and 2,884.18

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Solution

The fourth proportional to 3,278.19, 4,909.41 and 2,884.18 is: 4,319.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.19 : 4,909.41 = 2,884.18 : x
  2. Step 2: Convert to fraction form
    3,278.19/4,909.41 = 2,884.18/x
  3. Step 3: Cross multiply
    3,278.19x = 4,909.41 × 2,884.18
  4. Step 4: Simplify right side
    3,278.19x = 14,159,622.13
  5. Step 5: Solve for x
    x = 14,159,622.13/3,278.19
  6. Step 6: Final answer
    x = 4,319.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.