Home / 3,132.58-4,701-1,672.78

Finding the Fourth Proportional to 3,132.58, 4,701 and 1,672.78

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Solution

The fourth proportional to 3,132.58, 4,701 and 1,672.78 is: 2,510.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.58 : 4,701 = 1,672.78 : x
  2. Step 2: Convert to fraction form
    3,132.58/4,701 = 1,672.78/x
  3. Step 3: Cross multiply
    3,132.58x = 4,701 × 1,672.78
  4. Step 4: Simplify right side
    3,132.58x = 7,863,738.78
  5. Step 5: Solve for x
    x = 7,863,738.78/3,132.58
  6. Step 6: Final answer
    x = 2,510.31

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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.