Home / 3,291.64-4,938.38-1,831.82

Finding the Fourth Proportional to 3,291.64, 4,938.38 and 1,831.82

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Solution

The fourth proportional to 3,291.64, 4,938.38 and 1,831.82 is: 2,748.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.64 : 4,938.38 = 1,831.82 : x
  2. Step 2: Convert to fraction form
    3,291.64/4,938.38 = 1,831.82/x
  3. Step 3: Cross multiply
    3,291.64x = 4,938.38 × 1,831.82
  4. Step 4: Simplify right side
    3,291.64x = 9,046,223.25
  5. Step 5: Solve for x
    x = 9,046,223.25/3,291.64
  6. Step 6: Final answer
    x = 2,748.24

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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.