Home / 3,144.60-4,342.20-2,310

Finding the Fourth Proportional to 3,144.60, 4,342.20 and 2,310

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Solution

The fourth proportional to 3,144.60, 4,342.20 and 2,310 is: 3,189.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.60 : 4,342.20 = 2,310 : x
  2. Step 2: Convert to fraction form
    3,144.60/4,342.20 = 2,310/x
  3. Step 3: Cross multiply
    3,144.60x = 4,342.20 × 2,310
  4. Step 4: Simplify right side
    3,144.60x = 10,030,482
  5. Step 5: Solve for x
    x = 10,030,482/3,144.60
  6. Step 6: Final answer
    x = 3,189.75

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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.