Home / 1,612.24-2,223.44-1,107.86

Finding the Fourth Proportional to 1,612.24, 2,223.44 and 1,107.86

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Solution

The fourth proportional to 1,612.24, 2,223.44 and 1,107.86 is: 1,527.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.24 : 2,223.44 = 1,107.86 : x
  2. Step 2: Convert to fraction form
    1,612.24/2,223.44 = 1,107.86/x
  3. Step 3: Cross multiply
    1,612.24x = 2,223.44 × 1,107.86
  4. Step 4: Simplify right side
    1,612.24x = 2,463,243.58
  5. Step 5: Solve for x
    x = 2,463,243.58/1,612.24
  6. Step 6: Final answer
    x = 1,527.84

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1.5x scale

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.