Home / 3,215.72-4,435.26-2,334.44

Finding the Fourth Proportional to 3,215.72, 4,435.26 and 2,334.44

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Solution

The fourth proportional to 3,215.72, 4,435.26 and 2,334.44 is: 3,219.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.72 : 4,435.26 = 2,334.44 : x
  2. Step 2: Convert to fraction form
    3,215.72/4,435.26 = 2,334.44/x
  3. Step 3: Cross multiply
    3,215.72x = 4,435.26 × 2,334.44
  4. Step 4: Simplify right side
    3,215.72x = 10,353,848.35
  5. Step 5: Solve for x
    x = 10,353,848.35/3,215.72
  6. Step 6: Final answer
    x = 3,219.76

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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.