Home / 2,291.94-3,415.32-2,217.60

Finding the Fourth Proportional to 2,291.94, 3,415.32 and 2,217.60

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Solution

The fourth proportional to 2,291.94, 3,415.32 and 2,217.60 is: 3,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.94 : 3,415.32 = 2,217.60 : x
  2. Step 2: Convert to fraction form
    2,291.94/3,415.32 = 2,217.60/x
  3. Step 3: Cross multiply
    2,291.94x = 3,415.32 × 2,217.60
  4. Step 4: Simplify right side
    2,291.94x = 7,573,813.63
  5. Step 5: Solve for x
    x = 7,573,813.63/2,291.94
  6. Step 6: Final answer
    x = 3,304.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.