Home / 2,823.52-3,896.89-1,761.46

Finding the Fourth Proportional to 2,823.52, 3,896.89 and 1,761.46

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Solution

The fourth proportional to 2,823.52, 3,896.89 and 1,761.46 is: 2,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.52 : 3,896.89 = 1,761.46 : x
  2. Step 2: Convert to fraction form
    2,823.52/3,896.89 = 1,761.46/x
  3. Step 3: Cross multiply
    2,823.52x = 3,896.89 × 1,761.46
  4. Step 4: Simplify right side
    2,823.52x = 6,864,215.86
  5. Step 5: Solve for x
    x = 6,864,215.86/2,823.52
  6. Step 6: Final answer
    x = 2,431.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.