Home / 2,223.72-3,333.51-1,399.50

Finding the Fourth Proportional to 2,223.72, 3,333.51 and 1,399.50

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Solution

The fourth proportional to 2,223.72, 3,333.51 and 1,399.50 is: 2,097.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.72 : 3,333.51 = 1,399.50 : x
  2. Step 2: Convert to fraction form
    2,223.72/3,333.51 = 1,399.50/x
  3. Step 3: Cross multiply
    2,223.72x = 3,333.51 × 1,399.50
  4. Step 4: Simplify right side
    2,223.72x = 4,665,247.25
  5. Step 5: Solve for x
    x = 4,665,247.25/2,223.72
  6. Step 6: Final answer
    x = 2,097.95

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1.5x scale

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.