Home / 3,308.12-4,956.70-1,661.18

Finding the Fourth Proportional to 3,308.12, 4,956.70 and 1,661.18

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Solution

The fourth proportional to 3,308.12, 4,956.70 and 1,661.18 is: 2,489.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.12 : 4,956.70 = 1,661.18 : x
  2. Step 2: Convert to fraction form
    3,308.12/4,956.70 = 1,661.18/x
  3. Step 3: Cross multiply
    3,308.12x = 4,956.70 × 1,661.18
  4. Step 4: Simplify right side
    3,308.12x = 8,233,970.91
  5. Step 5: Solve for x
    x = 8,233,970.91/3,308.12
  6. Step 6: Final answer
    x = 2,489.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.