Home / 3,525.66-5,286.78-2,065.32

Finding the Fourth Proportional to 3,525.66, 5,286.78 and 2,065.32

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Solution

The fourth proportional to 3,525.66, 5,286.78 and 2,065.32 is: 3,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.66 : 5,286.78 = 2,065.32 : x
  2. Step 2: Convert to fraction form
    3,525.66/5,286.78 = 2,065.32/x
  3. Step 3: Cross multiply
    3,525.66x = 5,286.78 × 2,065.32
  4. Step 4: Simplify right side
    3,525.66x = 10,918,892.47
  5. Step 5: Solve for x
    x = 10,918,892.47/3,525.66
  6. Step 6: Final answer
    x = 3,096.98

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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.