Home / 3,835.56-5,285.70-2,729.64

Finding the Fourth Proportional to 3,835.56, 5,285.70 and 2,729.64

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Solution

The fourth proportional to 3,835.56, 5,285.70 and 2,729.64 is: 3,761.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.56 : 5,285.70 = 2,729.64 : x
  2. Step 2: Convert to fraction form
    3,835.56/5,285.70 = 2,729.64/x
  3. Step 3: Cross multiply
    3,835.56x = 5,285.70 × 2,729.64
  4. Step 4: Simplify right side
    3,835.56x = 14,428,058.15
  5. Step 5: Solve for x
    x = 14,428,058.15/3,835.56
  6. Step 6: Final answer
    x = 3,761.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.