Home / 3,017.18-4,163.63-1,672.86

Finding the Fourth Proportional to 3,017.18, 4,163.63 and 1,672.86

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Solution

The fourth proportional to 3,017.18, 4,163.63 and 1,672.86 is: 2,308.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.18 : 4,163.63 = 1,672.86 : x
  2. Step 2: Convert to fraction form
    3,017.18/4,163.63 = 1,672.86/x
  3. Step 3: Cross multiply
    3,017.18x = 4,163.63 × 1,672.86
  4. Step 4: Simplify right side
    3,017.18x = 6,965,170.33
  5. Step 5: Solve for x
    x = 6,965,170.33/3,017.18
  6. Step 6: Final answer
    x = 2,308.50

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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.