Home / 2,954.96-4,077.89-1,628.65

Finding the Fourth Proportional to 2,954.96, 4,077.89 and 1,628.65

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Solution

The fourth proportional to 2,954.96, 4,077.89 and 1,628.65 is: 2,247.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.96 : 4,077.89 = 1,628.65 : x
  2. Step 2: Convert to fraction form
    2,954.96/4,077.89 = 1,628.65/x
  3. Step 3: Cross multiply
    2,954.96x = 4,077.89 × 1,628.65
  4. Step 4: Simplify right side
    2,954.96x = 6,641,455.55
  5. Step 5: Solve for x
    x = 6,641,455.55/2,954.96
  6. Step 6: Final answer
    x = 2,247.56

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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.