Home / 1,842.04-2,742.23-1,831.09

Finding the Fourth Proportional to 1,842.04, 2,742.23 and 1,831.09

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Solution

The fourth proportional to 1,842.04, 2,742.23 and 1,831.09 is: 2,725.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.04 : 2,742.23 = 1,831.09 : x
  2. Step 2: Convert to fraction form
    1,842.04/2,742.23 = 1,831.09/x
  3. Step 3: Cross multiply
    1,842.04x = 2,742.23 × 1,831.09
  4. Step 4: Simplify right side
    1,842.04x = 5,021,253.92
  5. Step 5: Solve for x
    x = 5,021,253.92/1,842.04
  6. Step 6: Final answer
    x = 2,725.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.