Home / 2,845.87-3,927.22-1,586.96

Finding the Fourth Proportional to 2,845.87, 3,927.22 and 1,586.96

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Solution

The fourth proportional to 2,845.87, 3,927.22 and 1,586.96 is: 2,189.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.87 : 3,927.22 = 1,586.96 : x
  2. Step 2: Convert to fraction form
    2,845.87/3,927.22 = 1,586.96/x
  3. Step 3: Cross multiply
    2,845.87x = 3,927.22 × 1,586.96
  4. Step 4: Simplify right side
    2,845.87x = 6,232,332.17
  5. Step 5: Solve for x
    x = 6,232,332.17/2,845.87
  6. Step 6: Final answer
    x = 2,189.96

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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.