Home / 3,484.91-5,227.11-1,636.45

Finding the Fourth Proportional to 3,484.91, 5,227.11 and 1,636.45

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Solution

The fourth proportional to 3,484.91, 5,227.11 and 1,636.45 is: 2,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.91 : 5,227.11 = 1,636.45 : x
  2. Step 2: Convert to fraction form
    3,484.91/5,227.11 = 1,636.45/x
  3. Step 3: Cross multiply
    3,484.91x = 5,227.11 × 1,636.45
  4. Step 4: Simplify right side
    3,484.91x = 8,553,904.16
  5. Step 5: Solve for x
    x = 8,553,904.16/3,484.91
  6. Step 6: Final answer
    x = 2,454.56

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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.