Home / 2,037.78-3,054.93-1,257.75

Finding the Fourth Proportional to 2,037.78, 3,054.93 and 1,257.75

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Solution

The fourth proportional to 2,037.78, 3,054.93 and 1,257.75 is: 1,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.78 : 3,054.93 = 1,257.75 : x
  2. Step 2: Convert to fraction form
    2,037.78/3,054.93 = 1,257.75/x
  3. Step 3: Cross multiply
    2,037.78x = 3,054.93 × 1,257.75
  4. Step 4: Simplify right side
    2,037.78x = 3,842,338.21
  5. Step 5: Solve for x
    x = 3,842,338.21/2,037.78
  6. Step 6: Final answer
    x = 1,885.55

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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.