Home / 3,753.51-5,630.27-1,288.32

Finding the Fourth Proportional to 3,753.51, 5,630.27 and 1,288.32

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Solution

The fourth proportional to 3,753.51, 5,630.27 and 1,288.32 is: 1,932.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.51 : 5,630.27 = 1,288.32 : x
  2. Step 2: Convert to fraction form
    3,753.51/5,630.27 = 1,288.32/x
  3. Step 3: Cross multiply
    3,753.51x = 5,630.27 × 1,288.32
  4. Step 4: Simplify right side
    3,753.51x = 7,253,578.87
  5. Step 5: Solve for x
    x = 7,253,578.87/3,753.51
  6. Step 6: Final answer
    x = 1,932.48

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Similar ratio
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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.