Home / 2,672.24-4,006.99-1,285.55

Finding the Fourth Proportional to 2,672.24, 4,006.99 and 1,285.55

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Solution

The fourth proportional to 2,672.24, 4,006.99 and 1,285.55 is: 1,927.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.24 : 4,006.99 = 1,285.55 : x
  2. Step 2: Convert to fraction form
    2,672.24/4,006.99 = 1,285.55/x
  3. Step 3: Cross multiply
    2,672.24x = 4,006.99 × 1,285.55
  4. Step 4: Simplify right side
    2,672.24x = 5,151,174.94
  5. Step 5: Solve for x
    x = 5,151,174.94/2,672.24
  6. Step 6: Final answer
    x = 1,927.66

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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.