Home / 3,399.64-5,076.45-2,698.44

Finding the Fourth Proportional to 3,399.64, 5,076.45 and 2,698.44

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Solution

The fourth proportional to 3,399.64, 5,076.45 and 2,698.44 is: 4,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.64 : 5,076.45 = 2,698.44 : x
  2. Step 2: Convert to fraction form
    3,399.64/5,076.45 = 2,698.44/x
  3. Step 3: Cross multiply
    3,399.64x = 5,076.45 × 2,698.44
  4. Step 4: Simplify right side
    3,399.64x = 13,698,495.74
  5. Step 5: Solve for x
    x = 13,698,495.74/3,399.64
  6. Step 6: Final answer
    x = 4,029.40

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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.