Home / 1,441.92-2,165.02-826.32

Finding the Fourth Proportional to 1,441.92, 2,165.02 and 826.32

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Solution

The fourth proportional to 1,441.92, 2,165.02 and 826.32 is: 1,240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.92 : 2,165.02 = 826.32 : x
  2. Step 2: Convert to fraction form
    1,441.92/2,165.02 = 826.32/x
  3. Step 3: Cross multiply
    1,441.92x = 2,165.02 × 826.32
  4. Step 4: Simplify right side
    1,441.92x = 1,788,999.33
  5. Step 5: Solve for x
    x = 1,788,999.33/1,441.92
  6. Step 6: Final answer
    x = 1,240.71

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1.5x scale

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.