Home / 3,520.52-5,280.66-1,672.97

Finding the Fourth Proportional to 3,520.52, 5,280.66 and 1,672.97

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Solution

The fourth proportional to 3,520.52, 5,280.66 and 1,672.97 is: 2,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.52 : 5,280.66 = 1,672.97 : x
  2. Step 2: Convert to fraction form
    3,520.52/5,280.66 = 1,672.97/x
  3. Step 3: Cross multiply
    3,520.52x = 5,280.66 × 1,672.97
  4. Step 4: Simplify right side
    3,520.52x = 8,834,359.36
  5. Step 5: Solve for x
    x = 8,834,359.36/3,520.52
  6. Step 6: Final answer
    x = 2,509.39

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1.5x scale

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.