Home / 2,065.64-2,850.45-1,181.30

Finding the Fourth Proportional to 2,065.64, 2,850.45 and 1,181.30

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Solution

The fourth proportional to 2,065.64, 2,850.45 and 1,181.30 is: 1,630.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.64 : 2,850.45 = 1,181.30 : x
  2. Step 2: Convert to fraction form
    2,065.64/2,850.45 = 1,181.30/x
  3. Step 3: Cross multiply
    2,065.64x = 2,850.45 × 1,181.30
  4. Step 4: Simplify right side
    2,065.64x = 3,367,236.59
  5. Step 5: Solve for x
    x = 3,367,236.59/2,065.64
  6. Step 6: Final answer
    x = 1,630.12

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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.