Home / 1,550.08-2,319.68-1,489.60

Finding the Fourth Proportional to 1,550.08, 2,319.68 and 1,489.60

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Solution

The fourth proportional to 1,550.08, 2,319.68 and 1,489.60 is: 2,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.08 : 2,319.68 = 1,489.60 : x
  2. Step 2: Convert to fraction form
    1,550.08/2,319.68 = 1,489.60/x
  3. Step 3: Cross multiply
    1,550.08x = 2,319.68 × 1,489.60
  4. Step 4: Simplify right side
    1,550.08x = 3,455,395.33
  5. Step 5: Solve for x
    x = 3,455,395.33/1,550.08
  6. Step 6: Final answer
    x = 2,229.17

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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.