Home / 2,125.35-3,188.37-1,849.47

Finding the Fourth Proportional to 2,125.35, 3,188.37 and 1,849.47

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Solution

The fourth proportional to 2,125.35, 3,188.37 and 1,849.47 is: 2,774.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.35 : 3,188.37 = 1,849.47 : x
  2. Step 2: Convert to fraction form
    2,125.35/3,188.37 = 1,849.47/x
  3. Step 3: Cross multiply
    2,125.35x = 3,188.37 × 1,849.47
  4. Step 4: Simplify right side
    2,125.35x = 5,896,794.66
  5. Step 5: Solve for x
    x = 5,896,794.66/2,125.35
  6. Step 6: Final answer
    x = 2,774.51

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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.