Home / 3,479.14-5,213.85-2,307.21

Finding the Fourth Proportional to 3,479.14, 5,213.85 and 2,307.21

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Solution

The fourth proportional to 3,479.14, 5,213.85 and 2,307.21 is: 3,457.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.14 : 5,213.85 = 2,307.21 : x
  2. Step 2: Convert to fraction form
    3,479.14/5,213.85 = 2,307.21/x
  3. Step 3: Cross multiply
    3,479.14x = 5,213.85 × 2,307.21
  4. Step 4: Simplify right side
    3,479.14x = 12,029,446.86
  5. Step 5: Solve for x
    x = 12,029,446.86/3,479.14
  6. Step 6: Final answer
    x = 3,457.59

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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.