Home / 2,641.23-3,644.61-1,709.73

Finding the Fourth Proportional to 2,641.23, 3,644.61 and 1,709.73

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Solution

The fourth proportional to 2,641.23, 3,644.61 and 1,709.73 is: 2,359.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.23 : 3,644.61 = 1,709.73 : x
  2. Step 2: Convert to fraction form
    2,641.23/3,644.61 = 1,709.73/x
  3. Step 3: Cross multiply
    2,641.23x = 3,644.61 × 1,709.73
  4. Step 4: Simplify right side
    2,641.23x = 6,231,299.06
  5. Step 5: Solve for x
    x = 6,231,299.06/2,641.23
  6. Step 6: Final answer
    x = 2,359.24

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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.