Home / 3,753.26-5,630.65-1,120.82

Finding the Fourth Proportional to 3,753.26, 5,630.65 and 1,120.82

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Solution

The fourth proportional to 3,753.26, 5,630.65 and 1,120.82 is: 1,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.26 : 5,630.65 = 1,120.82 : x
  2. Step 2: Convert to fraction form
    3,753.26/5,630.65 = 1,120.82/x
  3. Step 3: Cross multiply
    3,753.26x = 5,630.65 × 1,120.82
  4. Step 4: Simplify right side
    3,753.26x = 6,310,914.18
  5. Step 5: Solve for x
    x = 6,310,914.18/3,753.26
  6. Step 6: Final answer
    x = 1,681.45

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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.