Home / 3,006.12-4,148.46-1,679.88

Finding the Fourth Proportional to 3,006.12, 4,148.46 and 1,679.88

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Solution

The fourth proportional to 3,006.12, 4,148.46 and 1,679.88 is: 2,318.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.12 : 4,148.46 = 1,679.88 : x
  2. Step 2: Convert to fraction form
    3,006.12/4,148.46 = 1,679.88/x
  3. Step 3: Cross multiply
    3,006.12x = 4,148.46 × 1,679.88
  4. Step 4: Simplify right side
    3,006.12x = 6,968,914.98
  5. Step 5: Solve for x
    x = 6,968,914.98/3,006.12
  6. Step 6: Final answer
    x = 2,318.24

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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.