Home / 3,037.16-4,193.10-1,991.04

Finding the Fourth Proportional to 3,037.16, 4,193.10 and 1,991.04

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Solution

The fourth proportional to 3,037.16, 4,193.10 and 1,991.04 is: 2,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.16 : 4,193.10 = 1,991.04 : x
  2. Step 2: Convert to fraction form
    3,037.16/4,193.10 = 1,991.04/x
  3. Step 3: Cross multiply
    3,037.16x = 4,193.10 × 1,991.04
  4. Step 4: Simplify right side
    3,037.16x = 8,348,629.82
  5. Step 5: Solve for x
    x = 8,348,629.82/3,037.16
  6. Step 6: Final answer
    x = 2,748.83

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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.