Home / 3,624.34-5,433.90-2,919.64

Finding the Fourth Proportional to 3,624.34, 5,433.90 and 2,919.64

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Solution

The fourth proportional to 3,624.34, 5,433.90 and 2,919.64 is: 4,377.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.34 : 5,433.90 = 2,919.64 : x
  2. Step 2: Convert to fraction form
    3,624.34/5,433.90 = 2,919.64/x
  3. Step 3: Cross multiply
    3,624.34x = 5,433.90 × 2,919.64
  4. Step 4: Simplify right side
    3,624.34x = 15,865,031.80
  5. Step 5: Solve for x
    x = 15,865,031.80/3,624.34
  6. Step 6: Final answer
    x = 4,377.36

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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.