Home / 3,889.98-5,831.37-1,292.46

Finding the Fourth Proportional to 3,889.98, 5,831.37 and 1,292.46

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Solution

The fourth proportional to 3,889.98, 5,831.37 and 1,292.46 is: 1,937.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.98 : 5,831.37 = 1,292.46 : x
  2. Step 2: Convert to fraction form
    3,889.98/5,831.37 = 1,292.46/x
  3. Step 3: Cross multiply
    3,889.98x = 5,831.37 × 1,292.46
  4. Step 4: Simplify right side
    3,889.98x = 7,536,812.47
  5. Step 5: Solve for x
    x = 7,536,812.47/3,889.98
  6. Step 6: Final answer
    x = 1,937.49

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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.