Home / 2,501.68-3,745.77-1,678.18

Finding the Fourth Proportional to 2,501.68, 3,745.77 and 1,678.18

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Solution

The fourth proportional to 2,501.68, 3,745.77 and 1,678.18 is: 2,512.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,501.68 : 3,745.77 = 1,678.18 : x
  2. Step 2: Convert to fraction form
    2,501.68/3,745.77 = 1,678.18/x
  3. Step 3: Cross multiply
    2,501.68x = 3,745.77 × 1,678.18
  4. Step 4: Simplify right side
    2,501.68x = 6,286,076.30
  5. Step 5: Solve for x
    x = 6,286,076.30/2,501.68
  6. Step 6: Final answer
    x = 2,512.74

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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.