Home / 2,745.92-4,116.75-1,358.30

Finding the Fourth Proportional to 2,745.92, 4,116.75 and 1,358.30

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Solution

The fourth proportional to 2,745.92, 4,116.75 and 1,358.30 is: 2,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.92 : 4,116.75 = 1,358.30 : x
  2. Step 2: Convert to fraction form
    2,745.92/4,116.75 = 1,358.30/x
  3. Step 3: Cross multiply
    2,745.92x = 4,116.75 × 1,358.30
  4. Step 4: Simplify right side
    2,745.92x = 5,591,781.53
  5. Step 5: Solve for x
    x = 5,591,781.53/2,745.92
  6. Step 6: Final answer
    x = 2,036.40

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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.