Home / 3,479.28-5,219.73-2,492.55

Finding the Fourth Proportional to 3,479.28, 5,219.73 and 2,492.55

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Solution

The fourth proportional to 3,479.28, 5,219.73 and 2,492.55 is: 3,739.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.28 : 5,219.73 = 2,492.55 : x
  2. Step 2: Convert to fraction form
    3,479.28/5,219.73 = 2,492.55/x
  3. Step 3: Cross multiply
    3,479.28x = 5,219.73 × 2,492.55
  4. Step 4: Simplify right side
    3,479.28x = 13,010,438.01
  5. Step 5: Solve for x
    x = 13,010,438.01/3,479.28
  6. Step 6: Final answer
    x = 3,739.41

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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.