Home / 2,319.81-3,476.11-1,831.65

Finding the Fourth Proportional to 2,319.81, 3,476.11 and 1,831.65

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Solution

The fourth proportional to 2,319.81, 3,476.11 and 1,831.65 is: 2,744.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.81 : 3,476.11 = 1,831.65 : x
  2. Step 2: Convert to fraction form
    2,319.81/3,476.11 = 1,831.65/x
  3. Step 3: Cross multiply
    2,319.81x = 3,476.11 × 1,831.65
  4. Step 4: Simplify right side
    2,319.81x = 6,367,016.88
  5. Step 5: Solve for x
    x = 6,367,016.88/2,319.81
  6. Step 6: Final answer
    x = 2,744.63

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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.