Home / 3,525.28-5,286.32-1,678.63

Finding the Fourth Proportional to 3,525.28, 5,286.32 and 1,678.63

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Solution

The fourth proportional to 3,525.28, 5,286.32 and 1,678.63 is: 2,517.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.28 : 5,286.32 = 1,678.63 : x
  2. Step 2: Convert to fraction form
    3,525.28/5,286.32 = 1,678.63/x
  3. Step 3: Cross multiply
    3,525.28x = 5,286.32 × 1,678.63
  4. Step 4: Simplify right side
    3,525.28x = 8,873,775.34
  5. Step 5: Solve for x
    x = 8,873,775.34/3,525.28
  6. Step 6: Final answer
    x = 2,517.18

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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.