Home / 3,031.36-4,548.12-1,571.48

Finding the Fourth Proportional to 3,031.36, 4,548.12 and 1,571.48

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Solution

The fourth proportional to 3,031.36, 4,548.12 and 1,571.48 is: 2,357.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.36 : 4,548.12 = 1,571.48 : x
  2. Step 2: Convert to fraction form
    3,031.36/4,548.12 = 1,571.48/x
  3. Step 3: Cross multiply
    3,031.36x = 4,548.12 × 1,571.48
  4. Step 4: Simplify right side
    3,031.36x = 7,147,279.62
  5. Step 5: Solve for x
    x = 7,147,279.62/3,031.36
  6. Step 6: Final answer
    x = 2,357.78

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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.