Home / 3,217.24-4,822.60-1,270.80

Finding the Fourth Proportional to 3,217.24, 4,822.60 and 1,270.80

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Solution

The fourth proportional to 3,217.24, 4,822.60 and 1,270.80 is: 1,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.24 : 4,822.60 = 1,270.80 : x
  2. Step 2: Convert to fraction form
    3,217.24/4,822.60 = 1,270.80/x
  3. Step 3: Cross multiply
    3,217.24x = 4,822.60 × 1,270.80
  4. Step 4: Simplify right side
    3,217.24x = 6,128,560.08
  5. Step 5: Solve for x
    x = 6,128,560.08/3,217.24
  6. Step 6: Final answer
    x = 1,904.91

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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.