Home / 3,355.32-5,031.90-2,184.60

Finding the Fourth Proportional to 3,355.32, 5,031.90 and 2,184.60

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Solution

The fourth proportional to 3,355.32, 5,031.90 and 2,184.60 is: 3,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.32 : 5,031.90 = 2,184.60 : x
  2. Step 2: Convert to fraction form
    3,355.32/5,031.90 = 2,184.60/x
  3. Step 3: Cross multiply
    3,355.32x = 5,031.90 × 2,184.60
  4. Step 4: Simplify right side
    3,355.32x = 10,992,688.74
  5. Step 5: Solve for x
    x = 10,992,688.74/3,355.32
  6. Step 6: Final answer
    x = 3,276.20

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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.