Home / 3,398.85-5,093.82-3,312.99

Finding the Fourth Proportional to 3,398.85, 5,093.82 and 3,312.99

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Solution

The fourth proportional to 3,398.85, 5,093.82 and 3,312.99 is: 4,965.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.85 : 5,093.82 = 3,312.99 : x
  2. Step 2: Convert to fraction form
    3,398.85/5,093.82 = 3,312.99/x
  3. Step 3: Cross multiply
    3,398.85x = 5,093.82 × 3,312.99
  4. Step 4: Simplify right side
    3,398.85x = 16,875,774.72
  5. Step 5: Solve for x
    x = 16,875,774.72/3,398.85
  6. Step 6: Final answer
    x = 4,965.14

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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.