Home / 2,927.58-4,039.92-1,601.21

Finding the Fourth Proportional to 2,927.58, 4,039.92 and 1,601.21

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Solution

The fourth proportional to 2,927.58, 4,039.92 and 1,601.21 is: 2,209.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.58 : 4,039.92 = 1,601.21 : x
  2. Step 2: Convert to fraction form
    2,927.58/4,039.92 = 1,601.21/x
  3. Step 3: Cross multiply
    2,927.58x = 4,039.92 × 1,601.21
  4. Step 4: Simplify right side
    2,927.58x = 6,468,740.10
  5. Step 5: Solve for x
    x = 6,468,740.10/2,927.58
  6. Step 6: Final answer
    x = 2,209.59

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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.