Home / 2,186.15-3,277.52-1,145.43

Finding the Fourth Proportional to 2,186.15, 3,277.52 and 1,145.43

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Solution

The fourth proportional to 2,186.15, 3,277.52 and 1,145.43 is: 1,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.15 : 3,277.52 = 1,145.43 : x
  2. Step 2: Convert to fraction form
    2,186.15/3,277.52 = 1,145.43/x
  3. Step 3: Cross multiply
    2,186.15x = 3,277.52 × 1,145.43
  4. Step 4: Simplify right side
    2,186.15x = 3,754,164.01
  5. Step 5: Solve for x
    x = 3,754,164.01/2,186.15
  6. Step 6: Final answer
    x = 1,717.25

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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.