Home / 3,650.43-5,037.68-2,159.63

Finding the Fourth Proportional to 3,650.43, 5,037.68 and 2,159.63

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Solution

The fourth proportional to 3,650.43, 5,037.68 and 2,159.63 is: 2,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.43 : 5,037.68 = 2,159.63 : x
  2. Step 2: Convert to fraction form
    3,650.43/5,037.68 = 2,159.63/x
  3. Step 3: Cross multiply
    3,650.43x = 5,037.68 × 2,159.63
  4. Step 4: Simplify right side
    3,650.43x = 10,879,488.87
  5. Step 5: Solve for x
    x = 10,879,488.87/3,650.43
  6. Step 6: Final answer
    x = 2,980.33

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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.