Home / 3,280.24-4,909.36-2,235.92

Finding the Fourth Proportional to 3,280.24, 4,909.36 and 2,235.92

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Solution

The fourth proportional to 3,280.24, 4,909.36 and 2,235.92 is: 3,346.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.24 : 4,909.36 = 2,235.92 : x
  2. Step 2: Convert to fraction form
    3,280.24/4,909.36 = 2,235.92/x
  3. Step 3: Cross multiply
    3,280.24x = 4,909.36 × 2,235.92
  4. Step 4: Simplify right side
    3,280.24x = 10,976,936.21
  5. Step 5: Solve for x
    x = 10,976,936.21/3,280.24
  6. Step 6: Final answer
    x = 3,346.38

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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.