Home / 2,308.12-3,184.70-1,350.84

Finding the Fourth Proportional to 2,308.12, 3,184.70 and 1,350.84

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Solution

The fourth proportional to 2,308.12, 3,184.70 and 1,350.84 is: 1,863.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.12 : 3,184.70 = 1,350.84 : x
  2. Step 2: Convert to fraction form
    2,308.12/3,184.70 = 1,350.84/x
  3. Step 3: Cross multiply
    2,308.12x = 3,184.70 × 1,350.84
  4. Step 4: Simplify right side
    2,308.12x = 4,302,020.15
  5. Step 5: Solve for x
    x = 4,302,020.15/2,308.12
  6. Step 6: Final answer
    x = 1,863.86

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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.