Home / 2,031.24-3,043.62-1,260.12

Finding the Fourth Proportional to 2,031.24, 3,043.62 and 1,260.12

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Solution

The fourth proportional to 2,031.24, 3,043.62 and 1,260.12 is: 1,888.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.24 : 3,043.62 = 1,260.12 : x
  2. Step 2: Convert to fraction form
    2,031.24/3,043.62 = 1,260.12/x
  3. Step 3: Cross multiply
    2,031.24x = 3,043.62 × 1,260.12
  4. Step 4: Simplify right side
    2,031.24x = 3,835,326.43
  5. Step 5: Solve for x
    x = 3,835,326.43/2,031.24
  6. Step 6: Final answer
    x = 1,888.17

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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.