Home / 2,931.88-4,393.96-1,199.56

Finding the Fourth Proportional to 2,931.88, 4,393.96 and 1,199.56

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Solution

The fourth proportional to 2,931.88, 4,393.96 and 1,199.56 is: 1,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.88 : 4,393.96 = 1,199.56 : x
  2. Step 2: Convert to fraction form
    2,931.88/4,393.96 = 1,199.56/x
  3. Step 3: Cross multiply
    2,931.88x = 4,393.96 × 1,199.56
  4. Step 4: Simplify right side
    2,931.88x = 5,270,818.66
  5. Step 5: Solve for x
    x = 5,270,818.66/2,931.88
  6. Step 6: Final answer
    x = 1,797.76

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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.