Home / 3,650.22-5,037.80-2,159.01

Finding the Fourth Proportional to 3,650.22, 5,037.80 and 2,159.01

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Solution

The fourth proportional to 3,650.22, 5,037.80 and 2,159.01 is: 2,979.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.22 : 5,037.80 = 2,159.01 : x
  2. Step 2: Convert to fraction form
    3,650.22/5,037.80 = 2,159.01/x
  3. Step 3: Cross multiply
    3,650.22x = 5,037.80 × 2,159.01
  4. Step 4: Simplify right side
    3,650.22x = 10,876,649.78
  5. Step 5: Solve for x
    x = 10,876,649.78/3,650.22
  6. Step 6: Final answer
    x = 2,979.72

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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.