Home / 2,280.99-3,422.43-1,186.14

Finding the Fourth Proportional to 2,280.99, 3,422.43 and 1,186.14

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Solution

The fourth proportional to 2,280.99, 3,422.43 and 1,186.14 is: 1,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.99 : 3,422.43 = 1,186.14 : x
  2. Step 2: Convert to fraction form
    2,280.99/3,422.43 = 1,186.14/x
  3. Step 3: Cross multiply
    2,280.99x = 3,422.43 × 1,186.14
  4. Step 4: Simplify right side
    2,280.99x = 4,059,481.12
  5. Step 5: Solve for x
    x = 4,059,481.12/2,280.99
  6. Step 6: Final answer
    x = 1,779.70

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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.