Home / 2,831.93-4,248.09-1,186.82

Finding the Fourth Proportional to 2,831.93, 4,248.09 and 1,186.82

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Solution

The fourth proportional to 2,831.93, 4,248.09 and 1,186.82 is: 1,780.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.93 : 4,248.09 = 1,186.82 : x
  2. Step 2: Convert to fraction form
    2,831.93/4,248.09 = 1,186.82/x
  3. Step 3: Cross multiply
    2,831.93x = 4,248.09 × 1,186.82
  4. Step 4: Simplify right side
    2,831.93x = 5,041,718.17
  5. Step 5: Solve for x
    x = 5,041,718.17/2,831.93
  6. Step 6: Final answer
    x = 1,780.31

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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.