Home / 3,519.72-4,792.23-3,508.79

Finding the Fourth Proportional to 3,519.72, 4,792.23 and 3,508.79

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Solution

The fourth proportional to 3,519.72, 4,792.23 and 3,508.79 is: 4,777.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.72 : 4,792.23 = 3,508.79 : x
  2. Step 2: Convert to fraction form
    3,519.72/4,792.23 = 3,508.79/x
  3. Step 3: Cross multiply
    3,519.72x = 4,792.23 × 3,508.79
  4. Step 4: Simplify right side
    3,519.72x = 16,814,904.74
  5. Step 5: Solve for x
    x = 16,814,904.74/3,519.72
  6. Step 6: Final answer
    x = 4,777.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.