Home / 3,831.12-5,746.82-1,637.64

Finding the Fourth Proportional to 3,831.12, 5,746.82 and 1,637.64

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Solution

The fourth proportional to 3,831.12, 5,746.82 and 1,637.64 is: 2,456.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.12 : 5,746.82 = 1,637.64 : x
  2. Step 2: Convert to fraction form
    3,831.12/5,746.82 = 1,637.64/x
  3. Step 3: Cross multiply
    3,831.12x = 5,746.82 × 1,637.64
  4. Step 4: Simplify right side
    3,831.12x = 9,411,214.12
  5. Step 5: Solve for x
    x = 9,411,214.12/3,831.12
  6. Step 6: Final answer
    x = 2,456.52

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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.