Home / 3,067.02-4,230.90-2,123.70

Finding the Fourth Proportional to 3,067.02, 4,230.90 and 2,123.70

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Solution

The fourth proportional to 3,067.02, 4,230.90 and 2,123.70 is: 2,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.02 : 4,230.90 = 2,123.70 : x
  2. Step 2: Convert to fraction form
    3,067.02/4,230.90 = 2,123.70/x
  3. Step 3: Cross multiply
    3,067.02x = 4,230.90 × 2,123.70
  4. Step 4: Simplify right side
    3,067.02x = 8,985,162.33
  5. Step 5: Solve for x
    x = 8,985,162.33/3,067.02
  6. Step 6: Final answer
    x = 2,929.61

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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.