Home / 3,908.46-5,860.10-2,154.30

Finding the Fourth Proportional to 3,908.46, 5,860.10 and 2,154.30

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Solution

The fourth proportional to 3,908.46, 5,860.10 and 2,154.30 is: 3,230.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.46 : 5,860.10 = 2,154.30 : x
  2. Step 2: Convert to fraction form
    3,908.46/5,860.10 = 2,154.30/x
  3. Step 3: Cross multiply
    3,908.46x = 5,860.10 × 2,154.30
  4. Step 4: Simplify right side
    3,908.46x = 12,624,402.66
  5. Step 5: Solve for x
    x = 12,624,402.66/3,908.46
  6. Step 6: Final answer
    x = 3,230.02

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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.