Home / 1,921.72-2,632.77-1,849.73

Finding the Fourth Proportional to 1,921.72, 2,632.77 and 1,849.73

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Solution

The fourth proportional to 1,921.72, 2,632.77 and 1,849.73 is: 2,534.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921.72 : 2,632.77 = 1,849.73 : x
  2. Step 2: Convert to fraction form
    1,921.72/2,632.77 = 1,849.73/x
  3. Step 3: Cross multiply
    1,921.72x = 2,632.77 × 1,849.73
  4. Step 4: Simplify right side
    1,921.72x = 4,869,922.70
  5. Step 5: Solve for x
    x = 4,869,922.70/1,921.72
  6. Step 6: Final answer
    x = 2,534.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.