Home / 2,947.68-4,418.64-1,304.64

Finding the Fourth Proportional to 2,947.68, 4,418.64 and 1,304.64

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Solution

The fourth proportional to 2,947.68, 4,418.64 and 1,304.64 is: 1,955.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.68 : 4,418.64 = 1,304.64 : x
  2. Step 2: Convert to fraction form
    2,947.68/4,418.64 = 1,304.64/x
  3. Step 3: Cross multiply
    2,947.68x = 4,418.64 × 1,304.64
  4. Step 4: Simplify right side
    2,947.68x = 5,764,734.49
  5. Step 5: Solve for x
    x = 5,764,734.49/2,947.68
  6. Step 6: Final answer
    x = 1,955.69

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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.