Home / 2,334.29-3,518.91-2,179.60

Finding the Fourth Proportional to 2,334.29, 3,518.91 and 2,179.60

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Solution

The fourth proportional to 2,334.29, 3,518.91 and 2,179.60 is: 3,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.29 : 3,518.91 = 2,179.60 : x
  2. Step 2: Convert to fraction form
    2,334.29/3,518.91 = 2,179.60/x
  3. Step 3: Cross multiply
    2,334.29x = 3,518.91 × 2,179.60
  4. Step 4: Simplify right side
    2,334.29x = 7,669,807.44
  5. Step 5: Solve for x
    x = 7,669,807.44/2,334.29
  6. Step 6: Final answer
    x = 3,285.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.