Home / 3,286.26-4,931.52-1,437.42

Finding the Fourth Proportional to 3,286.26, 4,931.52 and 1,437.42

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Solution

The fourth proportional to 3,286.26, 4,931.52 and 1,437.42 is: 2,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.26 : 4,931.52 = 1,437.42 : x
  2. Step 2: Convert to fraction form
    3,286.26/4,931.52 = 1,437.42/x
  3. Step 3: Cross multiply
    3,286.26x = 4,931.52 × 1,437.42
  4. Step 4: Simplify right side
    3,286.26x = 7,088,665.48
  5. Step 5: Solve for x
    x = 7,088,665.48/3,286.26
  6. Step 6: Final answer
    x = 2,157.06

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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.