Home / 3,376.72-4,656.20-2,195.60

Finding the Fourth Proportional to 3,376.72, 4,656.20 and 2,195.60

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Solution

The fourth proportional to 3,376.72, 4,656.20 and 2,195.60 is: 3,027.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.72 : 4,656.20 = 2,195.60 : x
  2. Step 2: Convert to fraction form
    3,376.72/4,656.20 = 2,195.60/x
  3. Step 3: Cross multiply
    3,376.72x = 4,656.20 × 2,195.60
  4. Step 4: Simplify right side
    3,376.72x = 10,223,152.72
  5. Step 5: Solve for x
    x = 10,223,152.72/3,376.72
  6. Step 6: Final answer
    x = 3,027.54

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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.