Home / 4,031.36-6,048.84-1,979.36

Finding the Fourth Proportional to 4,031.36, 6,048.84 and 1,979.36

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Solution

The fourth proportional to 4,031.36, 6,048.84 and 1,979.36 is: 2,969.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,031.36 : 6,048.84 = 1,979.36 : x
  2. Step 2: Convert to fraction form
    4,031.36/6,048.84 = 1,979.36/x
  3. Step 3: Cross multiply
    4,031.36x = 6,048.84 × 1,979.36
  4. Step 4: Simplify right side
    4,031.36x = 11,972,831.94
  5. Step 5: Solve for x
    x = 11,972,831.94/4,031.36
  6. Step 6: Final answer
    x = 2,969.92

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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.