Home / 1,831.59-2,743.13-1,817.93

Finding the Fourth Proportional to 1,831.59, 2,743.13 and 1,817.93

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Solution

The fourth proportional to 1,831.59, 2,743.13 and 1,817.93 is: 2,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.59 : 2,743.13 = 1,817.93 : x
  2. Step 2: Convert to fraction form
    1,831.59/2,743.13 = 1,817.93/x
  3. Step 3: Cross multiply
    1,831.59x = 2,743.13 × 1,817.93
  4. Step 4: Simplify right side
    1,831.59x = 4,986,829.72
  5. Step 5: Solve for x
    x = 4,986,829.72/1,831.59
  6. Step 6: Final answer
    x = 2,722.68

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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.