Home / 1,892.01-2,610.99-1,145.73

Finding the Fourth Proportional to 1,892.01, 2,610.99 and 1,145.73

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Solution

The fourth proportional to 1,892.01, 2,610.99 and 1,145.73 is: 1,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.01 : 2,610.99 = 1,145.73 : x
  2. Step 2: Convert to fraction form
    1,892.01/2,610.99 = 1,145.73/x
  3. Step 3: Cross multiply
    1,892.01x = 2,610.99 × 1,145.73
  4. Step 4: Simplify right side
    1,892.01x = 2,991,489.57
  5. Step 5: Solve for x
    x = 2,991,489.57/1,892.01
  6. Step 6: Final answer
    x = 1,581.12

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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.