Home / 2,947.44-4,419.46-1,762.66

Finding the Fourth Proportional to 2,947.44, 4,419.46 and 1,762.66

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Solution

The fourth proportional to 2,947.44, 4,419.46 and 1,762.66 is: 2,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.44 : 4,419.46 = 1,762.66 : x
  2. Step 2: Convert to fraction form
    2,947.44/4,419.46 = 1,762.66/x
  3. Step 3: Cross multiply
    2,947.44x = 4,419.46 × 1,762.66
  4. Step 4: Simplify right side
    2,947.44x = 7,790,013.09
  5. Step 5: Solve for x
    x = 7,790,013.09/2,947.44
  6. Step 6: Final answer
    x = 2,642.98

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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.