Home / 1,831.25-2,531.94-1,749.65

Finding the Fourth Proportional to 1,831.25, 2,531.94 and 1,749.65

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Solution

The fourth proportional to 1,831.25, 2,531.94 and 1,749.65 is: 2,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.25 : 2,531.94 = 1,749.65 : x
  2. Step 2: Convert to fraction form
    1,831.25/2,531.94 = 1,749.65/x
  3. Step 3: Cross multiply
    1,831.25x = 2,531.94 × 1,749.65
  4. Step 4: Simplify right side
    1,831.25x = 4,430,008.82
  5. Step 5: Solve for x
    x = 4,430,008.82/1,831.25
  6. Step 6: Final answer
    x = 2,419.12

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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.