Home / 3,228.03-4,454.87-2,440.71

Finding the Fourth Proportional to 3,228.03, 4,454.87 and 2,440.71

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Solution

The fourth proportional to 3,228.03, 4,454.87 and 2,440.71 is: 3,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.03 : 4,454.87 = 2,440.71 : x
  2. Step 2: Convert to fraction form
    3,228.03/4,454.87 = 2,440.71/x
  3. Step 3: Cross multiply
    3,228.03x = 4,454.87 × 2,440.71
  4. Step 4: Simplify right side
    3,228.03x = 10,873,033.55
  5. Step 5: Solve for x
    x = 10,873,033.55/3,228.03
  6. Step 6: Final answer
    x = 3,368.32

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Half scale
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Double scale
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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.