Home / 3,494.10-5,209.13-3,186.30

Finding the Fourth Proportional to 3,494.10, 5,209.13 and 3,186.30

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Solution

The fourth proportional to 3,494.10, 5,209.13 and 3,186.30 is: 4,750.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.10 : 5,209.13 = 3,186.30 : x
  2. Step 2: Convert to fraction form
    3,494.10/5,209.13 = 3,186.30/x
  3. Step 3: Cross multiply
    3,494.10x = 5,209.13 × 3,186.30
  4. Step 4: Simplify right side
    3,494.10x = 16,597,834.99
  5. Step 5: Solve for x
    x = 16,597,834.99/3,494.10
  6. Step 6: Final answer
    x = 4,750.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.