Home / 1,874.08-2,588.52-1,286.56

Finding the Fourth Proportional to 1,874.08, 2,588.52 and 1,286.56

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Solution

The fourth proportional to 1,874.08, 2,588.52 and 1,286.56 is: 1,777.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.08 : 2,588.52 = 1,286.56 : x
  2. Step 2: Convert to fraction form
    1,874.08/2,588.52 = 1,286.56/x
  3. Step 3: Cross multiply
    1,874.08x = 2,588.52 × 1,286.56
  4. Step 4: Simplify right side
    1,874.08x = 3,330,286.29
  5. Step 5: Solve for x
    x = 3,330,286.29/1,874.08
  6. Step 6: Final answer
    x = 1,777.02

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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.