Home / 3,166.86-4,369.28-1,840.30

Finding the Fourth Proportional to 3,166.86, 4,369.28 and 1,840.30

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Solution

The fourth proportional to 3,166.86, 4,369.28 and 1,840.30 is: 2,539.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.86 : 4,369.28 = 1,840.30 : x
  2. Step 2: Convert to fraction form
    3,166.86/4,369.28 = 1,840.30/x
  3. Step 3: Cross multiply
    3,166.86x = 4,369.28 × 1,840.30
  4. Step 4: Simplify right side
    3,166.86x = 8,040,785.98
  5. Step 5: Solve for x
    x = 8,040,785.98/3,166.86
  6. Step 6: Final answer
    x = 2,539.04

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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.