Home / 2,776.72-3,831.99-1,597.79

Finding the Fourth Proportional to 2,776.72, 3,831.99 and 1,597.79

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Solution

The fourth proportional to 2,776.72, 3,831.99 and 1,597.79 is: 2,205.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.72 : 3,831.99 = 1,597.79 : x
  2. Step 2: Convert to fraction form
    2,776.72/3,831.99 = 1,597.79/x
  3. Step 3: Cross multiply
    2,776.72x = 3,831.99 × 1,597.79
  4. Step 4: Simplify right side
    2,776.72x = 6,122,715.30
  5. Step 5: Solve for x
    x = 6,122,715.30/2,776.72
  6. Step 6: Final answer
    x = 2,205.02

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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.