Home / 3,910.34-5,396.55-2,417.87

Finding the Fourth Proportional to 3,910.34, 5,396.55 and 2,417.87

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Solution

The fourth proportional to 3,910.34, 5,396.55 and 2,417.87 is: 3,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.34 : 5,396.55 = 2,417.87 : x
  2. Step 2: Convert to fraction form
    3,910.34/5,396.55 = 2,417.87/x
  3. Step 3: Cross multiply
    3,910.34x = 5,396.55 × 2,417.87
  4. Step 4: Simplify right side
    3,910.34x = 13,048,156.35
  5. Step 5: Solve for x
    x = 13,048,156.35/3,910.34
  6. Step 6: Final answer
    x = 3,336.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.