Home / 2,571.08-3,855.80-1,009.94

Finding the Fourth Proportional to 2,571.08, 3,855.80 and 1,009.94

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Solution

The fourth proportional to 2,571.08, 3,855.80 and 1,009.94 is: 1,514.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.08 : 3,855.80 = 1,009.94 : x
  2. Step 2: Convert to fraction form
    2,571.08/3,855.80 = 1,009.94/x
  3. Step 3: Cross multiply
    2,571.08x = 3,855.80 × 1,009.94
  4. Step 4: Simplify right side
    2,571.08x = 3,894,109.90
  5. Step 5: Solve for x
    x = 3,894,109.90/2,571.08
  6. Step 6: Final answer
    x = 1,514.58

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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.