Home / 3,025.10-4,537.68-1,991.66

Finding the Fourth Proportional to 3,025.10, 4,537.68 and 1,991.66

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Solution

The fourth proportional to 3,025.10, 4,537.68 and 1,991.66 is: 2,987.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.10 : 4,537.68 = 1,991.66 : x
  2. Step 2: Convert to fraction form
    3,025.10/4,537.68 = 1,991.66/x
  3. Step 3: Cross multiply
    3,025.10x = 4,537.68 × 1,991.66
  4. Step 4: Simplify right side
    3,025.10x = 9,037,515.75
  5. Step 5: Solve for x
    x = 9,037,515.75/3,025.10
  6. Step 6: Final answer
    x = 2,987.51

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1.5x scale

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.