Home / 2,670.25-3,684.68-1,831.67

Finding the Fourth Proportional to 2,670.25, 3,684.68 and 1,831.67

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Solution

The fourth proportional to 2,670.25, 3,684.68 and 1,831.67 is: 2,527.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.25 : 3,684.68 = 1,831.67 : x
  2. Step 2: Convert to fraction form
    2,670.25/3,684.68 = 1,831.67/x
  3. Step 3: Cross multiply
    2,670.25x = 3,684.68 × 1,831.67
  4. Step 4: Simplify right side
    2,670.25x = 6,749,117.79
  5. Step 5: Solve for x
    x = 6,749,117.79/2,670.25
  6. Step 6: Final answer
    x = 2,527.53

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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.