Home / 3,354.20-5,015.10-2,479.40

Finding the Fourth Proportional to 3,354.20, 5,015.10 and 2,479.40

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Solution

The fourth proportional to 3,354.20, 5,015.10 and 2,479.40 is: 3,707.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.20 : 5,015.10 = 2,479.40 : x
  2. Step 2: Convert to fraction form
    3,354.20/5,015.10 = 2,479.40/x
  3. Step 3: Cross multiply
    3,354.20x = 5,015.10 × 2,479.40
  4. Step 4: Simplify right side
    3,354.20x = 12,434,438.94
  5. Step 5: Solve for x
    x = 12,434,438.94/3,354.20
  6. Step 6: Final answer
    x = 3,707.13

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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.