Home / 2,031.24-3,046.92-1,405.92

Finding the Fourth Proportional to 2,031.24, 3,046.92 and 1,405.92

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Solution

The fourth proportional to 2,031.24, 3,046.92 and 1,405.92 is: 2,108.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.24 : 3,046.92 = 1,405.92 : x
  2. Step 2: Convert to fraction form
    2,031.24/3,046.92 = 1,405.92/x
  3. Step 3: Cross multiply
    2,031.24x = 3,046.92 × 1,405.92
  4. Step 4: Simplify right side
    2,031.24x = 4,283,725.77
  5. Step 5: Solve for x
    x = 4,283,725.77/2,031.24
  6. Step 6: Final answer
    x = 2,108.92

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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.