Home / 4,280.45-5,906.86-2,392.02

Finding the Fourth Proportional to 4,280.45, 5,906.86 and 2,392.02

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Solution

The fourth proportional to 4,280.45, 5,906.86 and 2,392.02 is: 3,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.45 : 5,906.86 = 2,392.02 : x
  2. Step 2: Convert to fraction form
    4,280.45/5,906.86 = 2,392.02/x
  3. Step 3: Cross multiply
    4,280.45x = 5,906.86 × 2,392.02
  4. Step 4: Simplify right side
    4,280.45x = 14,129,321.28
  5. Step 5: Solve for x
    x = 14,129,321.28/4,280.45
  6. Step 6: Final answer
    x = 3,300.90

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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.