Home / 2,652.09-3,976.65-1,190.31

Finding the Fourth Proportional to 2,652.09, 3,976.65 and 1,190.31

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Solution

The fourth proportional to 2,652.09, 3,976.65 and 1,190.31 is: 1,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.09 : 3,976.65 = 1,190.31 : x
  2. Step 2: Convert to fraction form
    2,652.09/3,976.65 = 1,190.31/x
  3. Step 3: Cross multiply
    2,652.09x = 3,976.65 × 1,190.31
  4. Step 4: Simplify right side
    2,652.09x = 4,733,446.26
  5. Step 5: Solve for x
    x = 4,733,446.26/2,652.09
  6. Step 6: Final answer
    x = 1,784.80

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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.