Home / 3,280.24-4,528.36-2,237.78

Finding the Fourth Proportional to 3,280.24, 4,528.36 and 2,237.78

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Solution

The fourth proportional to 3,280.24, 4,528.36 and 2,237.78 is: 3,089.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.24 : 4,528.36 = 2,237.78 : x
  2. Step 2: Convert to fraction form
    3,280.24/4,528.36 = 2,237.78/x
  3. Step 3: Cross multiply
    3,280.24x = 4,528.36 × 2,237.78
  4. Step 4: Simplify right side
    3,280.24x = 10,133,473.44
  5. Step 5: Solve for x
    x = 10,133,473.44/3,280.24
  6. Step 6: Final answer
    x = 3,089.25

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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.