Home / 3,755.24-5,633.66-1,290.28

Finding the Fourth Proportional to 3,755.24, 5,633.66 and 1,290.28

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Solution

The fourth proportional to 3,755.24, 5,633.66 and 1,290.28 is: 1,935.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.24 : 5,633.66 = 1,290.28 : x
  2. Step 2: Convert to fraction form
    3,755.24/5,633.66 = 1,290.28/x
  3. Step 3: Cross multiply
    3,755.24x = 5,633.66 × 1,290.28
  4. Step 4: Simplify right side
    3,755.24x = 7,268,998.82
  5. Step 5: Solve for x
    x = 7,268,998.82/3,755.24
  6. Step 6: Final answer
    x = 1,935.69

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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.