Home / 2,840.27-4,256.87-2,217.47

Finding the Fourth Proportional to 2,840.27, 4,256.87 and 2,217.47

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Solution

The fourth proportional to 2,840.27, 4,256.87 and 2,217.47 is: 3,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.27 : 4,256.87 = 2,217.47 : x
  2. Step 2: Convert to fraction form
    2,840.27/4,256.87 = 2,217.47/x
  3. Step 3: Cross multiply
    2,840.27x = 4,256.87 × 2,217.47
  4. Step 4: Simplify right side
    2,840.27x = 9,439,449.15
  5. Step 5: Solve for x
    x = 9,439,449.15/2,840.27
  6. Step 6: Final answer
    x = 3,323.44

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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.