Home / 3,772.55-5,205.88-2,356.15

Finding the Fourth Proportional to 3,772.55, 5,205.88 and 2,356.15

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Solution

The fourth proportional to 3,772.55, 5,205.88 and 2,356.15 is: 3,251.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.55 : 5,205.88 = 2,356.15 : x
  2. Step 2: Convert to fraction form
    3,772.55/5,205.88 = 2,356.15/x
  3. Step 3: Cross multiply
    3,772.55x = 5,205.88 × 2,356.15
  4. Step 4: Simplify right side
    3,772.55x = 12,265,840.56
  5. Step 5: Solve for x
    x = 12,265,840.56/3,772.55
  6. Step 6: Final answer
    x = 3,251.34

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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.