Home / 2,326.89-3,490.34-1,092.86

Finding the Fourth Proportional to 2,326.89, 3,490.34 and 1,092.86

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Solution

The fourth proportional to 2,326.89, 3,490.34 and 1,092.86 is: 1,639.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.89 : 3,490.34 = 1,092.86 : x
  2. Step 2: Convert to fraction form
    2,326.89/3,490.34 = 1,092.86/x
  3. Step 3: Cross multiply
    2,326.89x = 3,490.34 × 1,092.86
  4. Step 4: Simplify right side
    2,326.89x = 3,814,449.29
  5. Step 5: Solve for x
    x = 3,814,449.29/2,326.89
  6. Step 6: Final answer
    x = 1,639.29

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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.