Home / 3,645.68-5,031.44-2,073.52

Finding the Fourth Proportional to 3,645.68, 5,031.44 and 2,073.52

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Solution

The fourth proportional to 3,645.68, 5,031.44 and 2,073.52 is: 2,861.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.68 : 5,031.44 = 2,073.52 : x
  2. Step 2: Convert to fraction form
    3,645.68/5,031.44 = 2,073.52/x
  3. Step 3: Cross multiply
    3,645.68x = 5,031.44 × 2,073.52
  4. Step 4: Simplify right side
    3,645.68x = 10,432,791.47
  5. Step 5: Solve for x
    x = 10,432,791.47/3,645.68
  6. Step 6: Final answer
    x = 2,861.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.