Home / 3,008.72-4,152.19-1,682.35

Finding the Fourth Proportional to 3,008.72, 4,152.19 and 1,682.35

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Solution

The fourth proportional to 3,008.72, 4,152.19 and 1,682.35 is: 2,321.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.72 : 4,152.19 = 1,682.35 : x
  2. Step 2: Convert to fraction form
    3,008.72/4,152.19 = 1,682.35/x
  3. Step 3: Cross multiply
    3,008.72x = 4,152.19 × 1,682.35
  4. Step 4: Simplify right side
    3,008.72x = 6,985,436.85
  5. Step 5: Solve for x
    x = 6,985,436.85/3,008.72
  6. Step 6: Final answer
    x = 2,321.73

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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.