Home / 3,753.36-5,630.64-1,805.31

Finding the Fourth Proportional to 3,753.36, 5,630.64 and 1,805.31

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Solution

The fourth proportional to 3,753.36, 5,630.64 and 1,805.31 is: 2,708.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.36 : 5,630.64 = 1,805.31 : x
  2. Step 2: Convert to fraction form
    3,753.36/5,630.64 = 1,805.31/x
  3. Step 3: Cross multiply
    3,753.36x = 5,630.64 × 1,805.31
  4. Step 4: Simplify right side
    3,753.36x = 10,165,050.70
  5. Step 5: Solve for x
    x = 10,165,050.70/3,753.36
  6. Step 6: Final answer
    x = 2,708.25

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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.