Home / 3,330.18-4,989.20-2,235.60

Finding the Fourth Proportional to 3,330.18, 4,989.20 and 2,235.60

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Solution

The fourth proportional to 3,330.18, 4,989.20 and 2,235.60 is: 3,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.18 : 4,989.20 = 2,235.60 : x
  2. Step 2: Convert to fraction form
    3,330.18/4,989.20 = 2,235.60/x
  3. Step 3: Cross multiply
    3,330.18x = 4,989.20 × 2,235.60
  4. Step 4: Simplify right side
    3,330.18x = 11,153,844.34
  5. Step 5: Solve for x
    x = 11,153,844.34/3,330.18
  6. Step 6: Final answer
    x = 3,349.32

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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.