Home / 3,278.04-4,524.86-2,928.12

Finding the Fourth Proportional to 3,278.04, 4,524.86 and 2,928.12

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Solution

The fourth proportional to 3,278.04, 4,524.86 and 2,928.12 is: 4,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.04 : 4,524.86 = 2,928.12 : x
  2. Step 2: Convert to fraction form
    3,278.04/4,524.86 = 2,928.12/x
  3. Step 3: Cross multiply
    3,278.04x = 4,524.86 × 2,928.12
  4. Step 4: Simplify right side
    3,278.04x = 13,249,333.06
  5. Step 5: Solve for x
    x = 13,249,333.06/3,278.04
  6. Step 6: Final answer
    x = 4,041.85

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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.