Home / 3,344.20-5,019.90-1,886.20

Finding the Fourth Proportional to 3,344.20, 5,019.90 and 1,886.20

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Solution

The fourth proportional to 3,344.20, 5,019.90 and 1,886.20 is: 2,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344.20 : 5,019.90 = 1,886.20 : x
  2. Step 2: Convert to fraction form
    3,344.20/5,019.90 = 1,886.20/x
  3. Step 3: Cross multiply
    3,344.20x = 5,019.90 × 1,886.20
  4. Step 4: Simplify right side
    3,344.20x = 9,468,535.38
  5. Step 5: Solve for x
    x = 9,468,535.38/3,344.20
  6. Step 6: Final answer
    x = 2,831.33

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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.