Home / 3,486.46-4,806.66-2,986.96

Finding the Fourth Proportional to 3,486.46, 4,806.66 and 2,986.96

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Solution

The fourth proportional to 3,486.46, 4,806.66 and 2,986.96 is: 4,118.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.46 : 4,806.66 = 2,986.96 : x
  2. Step 2: Convert to fraction form
    3,486.46/4,806.66 = 2,986.96/x
  3. Step 3: Cross multiply
    3,486.46x = 4,806.66 × 2,986.96
  4. Step 4: Simplify right side
    3,486.46x = 14,357,301.15
  5. Step 5: Solve for x
    x = 14,357,301.15/3,486.46
  6. Step 6: Final answer
    x = 4,118.02

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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.