Home / 3,775.21-5,656.13-3,393.70

Finding the Fourth Proportional to 3,775.21, 5,656.13 and 3,393.70

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Solution

The fourth proportional to 3,775.21, 5,656.13 and 3,393.70 is: 5,084.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.21 : 5,656.13 = 3,393.70 : x
  2. Step 2: Convert to fraction form
    3,775.21/5,656.13 = 3,393.70/x
  3. Step 3: Cross multiply
    3,775.21x = 5,656.13 × 3,393.70
  4. Step 4: Simplify right side
    3,775.21x = 19,195,190.00
  5. Step 5: Solve for x
    x = 19,195,190.00/3,775.21
  6. Step 6: Final answer
    x = 5,084.54

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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.