Home / 2,710.20-4,064.82-1,249.20

Finding the Fourth Proportional to 2,710.20, 4,064.82 and 1,249.20

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Solution

The fourth proportional to 2,710.20, 4,064.82 and 1,249.20 is: 1,873.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.20 : 4,064.82 = 1,249.20 : x
  2. Step 2: Convert to fraction form
    2,710.20/4,064.82 = 1,249.20/x
  3. Step 3: Cross multiply
    2,710.20x = 4,064.82 × 1,249.20
  4. Step 4: Simplify right side
    2,710.20x = 5,077,773.14
  5. Step 5: Solve for x
    x = 5,077,773.14/2,710.20
  6. Step 6: Final answer
    x = 1,873.58

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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.