Home / 3,134.80-4,703.01-1,672.75

Finding the Fourth Proportional to 3,134.80, 4,703.01 and 1,672.75

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Solution

The fourth proportional to 3,134.80, 4,703.01 and 1,672.75 is: 2,509.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.80 : 4,703.01 = 1,672.75 : x
  2. Step 2: Convert to fraction form
    3,134.80/4,703.01 = 1,672.75/x
  3. Step 3: Cross multiply
    3,134.80x = 4,703.01 × 1,672.75
  4. Step 4: Simplify right side
    3,134.80x = 7,866,959.98
  5. Step 5: Solve for x
    x = 7,866,959.98/3,134.80
  6. Step 6: Final answer
    x = 2,509.56

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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.