Home / 3,349.60-5,029.80-2,528.80

Finding the Fourth Proportional to 3,349.60, 5,029.80 and 2,528.80

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Solution

The fourth proportional to 3,349.60, 5,029.80 and 2,528.80 is: 3,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.60 : 5,029.80 = 2,528.80 : x
  2. Step 2: Convert to fraction form
    3,349.60/5,029.80 = 2,528.80/x
  3. Step 3: Cross multiply
    3,349.60x = 5,029.80 × 2,528.80
  4. Step 4: Simplify right side
    3,349.60x = 12,719,358.24
  5. Step 5: Solve for x
    x = 12,719,358.24/3,349.60
  6. Step 6: Final answer
    x = 3,797.28

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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.