Home / 2,745.51-4,116.96-1,012.92

Finding the Fourth Proportional to 2,745.51, 4,116.96 and 1,012.92

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Solution

The fourth proportional to 2,745.51, 4,116.96 and 1,012.92 is: 1,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.51 : 4,116.96 = 1,012.92 : x
  2. Step 2: Convert to fraction form
    2,745.51/4,116.96 = 1,012.92/x
  3. Step 3: Cross multiply
    2,745.51x = 4,116.96 × 1,012.92
  4. Step 4: Simplify right side
    2,745.51x = 4,170,151.12
  5. Step 5: Solve for x
    x = 4,170,151.12/2,745.51
  6. Step 6: Final answer
    x = 1,518.90

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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.