Home / 1,831.92-2,521.68-1,651.74

Finding the Fourth Proportional to 1,831.92, 2,521.68 and 1,651.74

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Solution

The fourth proportional to 1,831.92, 2,521.68 and 1,651.74 is: 2,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.92 : 2,521.68 = 1,651.74 : x
  2. Step 2: Convert to fraction form
    1,831.92/2,521.68 = 1,651.74/x
  3. Step 3: Cross multiply
    1,831.92x = 2,521.68 × 1,651.74
  4. Step 4: Simplify right side
    1,831.92x = 4,165,167.55
  5. Step 5: Solve for x
    x = 4,165,167.55/1,831.92
  6. Step 6: Final answer
    x = 2,273.67

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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.