Home / 1,850.17-2,775.25-1,080.13

Finding the Fourth Proportional to 1,850.17, 2,775.25 and 1,080.13

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Solution

The fourth proportional to 1,850.17, 2,775.25 and 1,080.13 is: 1,620.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.17 : 2,775.25 = 1,080.13 : x
  2. Step 2: Convert to fraction form
    1,850.17/2,775.25 = 1,080.13/x
  3. Step 3: Cross multiply
    1,850.17x = 2,775.25 × 1,080.13
  4. Step 4: Simplify right side
    1,850.17x = 2,997,630.78
  5. Step 5: Solve for x
    x = 2,997,630.78/1,850.17
  6. Step 6: Final answer
    x = 1,620.19

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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.