Home / 2,223.64-3,330.60-1,399.87

Finding the Fourth Proportional to 2,223.64, 3,330.60 and 1,399.87

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Solution

The fourth proportional to 2,223.64, 3,330.60 and 1,399.87 is: 2,096.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.64 : 3,330.60 = 1,399.87 : x
  2. Step 2: Convert to fraction form
    2,223.64/3,330.60 = 1,399.87/x
  3. Step 3: Cross multiply
    2,223.64x = 3,330.60 × 1,399.87
  4. Step 4: Simplify right side
    2,223.64x = 4,662,407.02
  5. Step 5: Solve for x
    x = 4,662,407.02/2,223.64
  6. Step 6: Final answer
    x = 2,096.75

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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.