Home / 2,832.09-3,908.21-1,573.11

Finding the Fourth Proportional to 2,832.09, 3,908.21 and 1,573.11

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Solution

The fourth proportional to 2,832.09, 3,908.21 and 1,573.11 is: 2,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.09 : 3,908.21 = 1,573.11 : x
  2. Step 2: Convert to fraction form
    2,832.09/3,908.21 = 1,573.11/x
  3. Step 3: Cross multiply
    2,832.09x = 3,908.21 × 1,573.11
  4. Step 4: Simplify right side
    2,832.09x = 6,148,036.37
  5. Step 5: Solve for x
    x = 6,148,036.37/2,832.09
  6. Step 6: Final answer
    x = 2,170.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.