Home / 3,515.64-5,269.32-1,434.35

Finding the Fourth Proportional to 3,515.64, 5,269.32 and 1,434.35

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Solution

The fourth proportional to 3,515.64, 5,269.32 and 1,434.35 is: 2,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.64 : 5,269.32 = 1,434.35 : x
  2. Step 2: Convert to fraction form
    3,515.64/5,269.32 = 1,434.35/x
  3. Step 3: Cross multiply
    3,515.64x = 5,269.32 × 1,434.35
  4. Step 4: Simplify right side
    3,515.64x = 7,558,022.80
  5. Step 5: Solve for x
    x = 7,558,022.80/3,515.64
  6. Step 6: Final answer
    x = 2,149.83

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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.