Home / 2,031.25-3,046.89-492.25

Finding the Fourth Proportional to 2,031.25, 3,046.89 and 492.25

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Solution

The fourth proportional to 2,031.25, 3,046.89 and 492.25 is: 738.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.25 : 3,046.89 = 492.25 : x
  2. Step 2: Convert to fraction form
    2,031.25/3,046.89 = 492.25/x
  3. Step 3: Cross multiply
    2,031.25x = 3,046.89 × 492.25
  4. Step 4: Simplify right side
    2,031.25x = 1,499,831.60
  5. Step 5: Solve for x
    x = 1,499,831.60/2,031.25
  6. Step 6: Final answer
    x = 738.38

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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.