Home / 3,005.52-4,149.57-2,690.25

Finding the Fourth Proportional to 3,005.52, 4,149.57 and 2,690.25

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Solution

The fourth proportional to 3,005.52, 4,149.57 and 2,690.25 is: 3,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.52 : 4,149.57 = 2,690.25 : x
  2. Step 2: Convert to fraction form
    3,005.52/4,149.57 = 2,690.25/x
  3. Step 3: Cross multiply
    3,005.52x = 4,149.57 × 2,690.25
  4. Step 4: Simplify right side
    3,005.52x = 11,163,380.69
  5. Step 5: Solve for x
    x = 11,163,380.69/3,005.52
  6. Step 6: Final answer
    x = 3,714.29

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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.