Home / 2,926.50-4,389.75-1,831.74

Finding the Fourth Proportional to 2,926.50, 4,389.75 and 1,831.74

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Solution

The fourth proportional to 2,926.50, 4,389.75 and 1,831.74 is: 2,747.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.50 : 4,389.75 = 1,831.74 : x
  2. Step 2: Convert to fraction form
    2,926.50/4,389.75 = 1,831.74/x
  3. Step 3: Cross multiply
    2,926.50x = 4,389.75 × 1,831.74
  4. Step 4: Simplify right side
    2,926.50x = 8,040,880.67
  5. Step 5: Solve for x
    x = 8,040,880.67/2,926.50
  6. Step 6: Final answer
    x = 2,747.61

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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.