Home / 2,031.52-3,048.23-1,105.98

Finding the Fourth Proportional to 2,031.52, 3,048.23 and 1,105.98

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Solution

The fourth proportional to 2,031.52, 3,048.23 and 1,105.98 is: 1,659.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.52 : 3,048.23 = 1,105.98 : x
  2. Step 2: Convert to fraction form
    2,031.52/3,048.23 = 1,105.98/x
  3. Step 3: Cross multiply
    2,031.52x = 3,048.23 × 1,105.98
  4. Step 4: Simplify right side
    2,031.52x = 3,371,281.42
  5. Step 5: Solve for x
    x = 3,371,281.42/2,031.52
  6. Step 6: Final answer
    x = 1,659.49

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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.