Home / 3,018.32-4,166.99-2,308.82

Finding the Fourth Proportional to 3,018.32, 4,166.99 and 2,308.82

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Solution

The fourth proportional to 3,018.32, 4,166.99 and 2,308.82 is: 3,187.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.32 : 4,166.99 = 2,308.82 : x
  2. Step 2: Convert to fraction form
    3,018.32/4,166.99 = 2,308.82/x
  3. Step 3: Cross multiply
    3,018.32x = 4,166.99 × 2,308.82
  4. Step 4: Simplify right side
    3,018.32x = 9,620,829.85
  5. Step 5: Solve for x
    x = 9,620,829.85/3,018.32
  6. Step 6: Final answer
    x = 3,187.48

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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.