Home / 2,031.25-3,046.92-1,405.93

Finding the Fourth Proportional to 2,031.25, 3,046.92 and 1,405.93

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Solution

The fourth proportional to 2,031.25, 3,046.92 and 1,405.93 is: 2,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.25 : 3,046.92 = 1,405.93 : x
  2. Step 2: Convert to fraction form
    2,031.25/3,046.92 = 1,405.93/x
  3. Step 3: Cross multiply
    2,031.25x = 3,046.92 × 1,405.93
  4. Step 4: Simplify right side
    2,031.25x = 4,283,756.24
  5. Step 5: Solve for x
    x = 4,283,756.24/2,031.25
  6. Step 6: Final answer
    x = 2,108.93

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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.