Home / 3,342.30-4,978.14-3,166.66

Finding the Fourth Proportional to 3,342.30, 4,978.14 and 3,166.66

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Solution

The fourth proportional to 3,342.30, 4,978.14 and 3,166.66 is: 4,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.30 : 4,978.14 = 3,166.66 : x
  2. Step 2: Convert to fraction form
    3,342.30/4,978.14 = 3,166.66/x
  3. Step 3: Cross multiply
    3,342.30x = 4,978.14 × 3,166.66
  4. Step 4: Simplify right side
    3,342.30x = 15,764,076.81
  5. Step 5: Solve for x
    x = 15,764,076.81/3,342.30
  6. Step 6: Final answer
    x = 4,716.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.