Home / 4,230.32-5,836.42-2,740.12

Finding the Fourth Proportional to 4,230.32, 5,836.42 and 2,740.12

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Solution

The fourth proportional to 4,230.32, 5,836.42 and 2,740.12 is: 3,780.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.32 : 5,836.42 = 2,740.12 : x
  2. Step 2: Convert to fraction form
    4,230.32/5,836.42 = 2,740.12/x
  3. Step 3: Cross multiply
    4,230.32x = 5,836.42 × 2,740.12
  4. Step 4: Simplify right side
    4,230.32x = 15,992,491.17
  5. Step 5: Solve for x
    x = 15,992,491.17/4,230.32
  6. Step 6: Final answer
    x = 3,780.44

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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.