Home / 1,884.43-2,601.20-1,223.07

Finding the Fourth Proportional to 1,884.43, 2,601.20 and 1,223.07

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Solution

The fourth proportional to 1,884.43, 2,601.20 and 1,223.07 is: 1,688.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.43 : 2,601.20 = 1,223.07 : x
  2. Step 2: Convert to fraction form
    1,884.43/2,601.20 = 1,223.07/x
  3. Step 3: Cross multiply
    1,884.43x = 2,601.20 × 1,223.07
  4. Step 4: Simplify right side
    1,884.43x = 3,181,430.56
  5. Step 5: Solve for x
    x = 3,181,430.56/1,884.43
  6. Step 6: Final answer
    x = 1,688.27

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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.