Home / 1,699.32-2,550.06-1,122.60

Finding the Fourth Proportional to 1,699.32, 2,550.06 and 1,122.60

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Solution

The fourth proportional to 1,699.32, 2,550.06 and 1,122.60 is: 1,684.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699.32 : 2,550.06 = 1,122.60 : x
  2. Step 2: Convert to fraction form
    1,699.32/2,550.06 = 1,122.60/x
  3. Step 3: Cross multiply
    1,699.32x = 2,550.06 × 1,122.60
  4. Step 4: Simplify right side
    1,699.32x = 2,862,697.36
  5. Step 5: Solve for x
    x = 2,862,697.36/1,699.32
  6. Step 6: Final answer
    x = 1,684.61

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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.