Home / 1,764.56-2,650.36-1,382.16

Finding the Fourth Proportional to 1,764.56, 2,650.36 and 1,382.16

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Solution

The fourth proportional to 1,764.56, 2,650.36 and 1,382.16 is: 2,076.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.56 : 2,650.36 = 1,382.16 : x
  2. Step 2: Convert to fraction form
    1,764.56/2,650.36 = 1,382.16/x
  3. Step 3: Cross multiply
    1,764.56x = 2,650.36 × 1,382.16
  4. Step 4: Simplify right side
    1,764.56x = 3,663,221.58
  5. Step 5: Solve for x
    x = 3,663,221.58/1,764.56
  6. Step 6: Final answer
    x = 2,076.00

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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.