Home / 2,310.68-3,188.22-2,114.12

Finding the Fourth Proportional to 2,310.68, 3,188.22 and 2,114.12

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Solution

The fourth proportional to 2,310.68, 3,188.22 and 2,114.12 is: 2,917.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.68 : 3,188.22 = 2,114.12 : x
  2. Step 2: Convert to fraction form
    2,310.68/3,188.22 = 2,114.12/x
  3. Step 3: Cross multiply
    2,310.68x = 3,188.22 × 2,114.12
  4. Step 4: Simplify right side
    2,310.68x = 6,740,279.67
  5. Step 5: Solve for x
    x = 6,740,279.67/2,310.68
  6. Step 6: Final answer
    x = 2,917.01

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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.