Home / 3,904.35-5,389.08-2,226.63

Finding the Fourth Proportional to 3,904.35, 5,389.08 and 2,226.63

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Solution

The fourth proportional to 3,904.35, 5,389.08 and 2,226.63 is: 3,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.35 : 5,389.08 = 2,226.63 : x
  2. Step 2: Convert to fraction form
    3,904.35/5,389.08 = 2,226.63/x
  3. Step 3: Cross multiply
    3,904.35x = 5,389.08 × 2,226.63
  4. Step 4: Simplify right side
    3,904.35x = 11,999,487.20
  5. Step 5: Solve for x
    x = 11,999,487.20/3,904.35
  6. Step 6: Final answer
    x = 3,073.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.