Home / 2,031.52-3,046.80-935.20

Finding the Fourth Proportional to 2,031.52, 3,046.80 and 935.20

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Solution

The fourth proportional to 2,031.52, 3,046.80 and 935.20 is: 1,402.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.52 : 3,046.80 = 935.20 : x
  2. Step 2: Convert to fraction form
    2,031.52/3,046.80 = 935.20/x
  3. Step 3: Cross multiply
    2,031.52x = 3,046.80 × 935.20
  4. Step 4: Simplify right side
    2,031.52x = 2,849,367.36
  5. Step 5: Solve for x
    x = 2,849,367.36/2,031.52
  6. Step 6: Final answer
    x = 1,402.58

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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.