Home / 2,776.95-3,831.93-1,517.93

Finding the Fourth Proportional to 2,776.95, 3,831.93 and 1,517.93

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Solution

The fourth proportional to 2,776.95, 3,831.93 and 1,517.93 is: 2,094.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.95 : 3,831.93 = 1,517.93 : x
  2. Step 2: Convert to fraction form
    2,776.95/3,831.93 = 1,517.93/x
  3. Step 3: Cross multiply
    2,776.95x = 3,831.93 × 1,517.93
  4. Step 4: Simplify right side
    2,776.95x = 5,816,591.93
  5. Step 5: Solve for x
    x = 5,816,591.93/2,776.95
  6. Step 6: Final answer
    x = 2,094.60

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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.