Home / 1,550.24-2,325.45-454.50

Finding the Fourth Proportional to 1,550.24, 2,325.45 and 454.50

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Solution

The fourth proportional to 1,550.24, 2,325.45 and 454.50 is: 681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.24 : 2,325.45 = 454.50 : x
  2. Step 2: Convert to fraction form
    1,550.24/2,325.45 = 454.50/x
  3. Step 3: Cross multiply
    1,550.24x = 2,325.45 × 454.50
  4. Step 4: Simplify right side
    1,550.24x = 1,056,917.03
  5. Step 5: Solve for x
    x = 1,056,917.03/1,550.24
  6. Step 6: Final answer
    x = 681.78

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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.