Home / 3,280.07-4,528.17-2,223.42

Finding the Fourth Proportional to 3,280.07, 4,528.17 and 2,223.42

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Solution

The fourth proportional to 3,280.07, 4,528.17 and 2,223.42 is: 3,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.07 : 4,528.17 = 2,223.42 : x
  2. Step 2: Convert to fraction form
    3,280.07/4,528.17 = 2,223.42/x
  3. Step 3: Cross multiply
    3,280.07x = 4,528.17 × 2,223.42
  4. Step 4: Simplify right side
    3,280.07x = 10,067,989.98
  5. Step 5: Solve for x
    x = 10,067,989.98/3,280.07
  6. Step 6: Final answer
    x = 3,069.45

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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.