Home / 2,892.36-3,991.44-1,566.05

Finding the Fourth Proportional to 2,892.36, 3,991.44 and 1,566.05

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Solution

The fourth proportional to 2,892.36, 3,991.44 and 1,566.05 is: 2,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.36 : 3,991.44 = 1,566.05 : x
  2. Step 2: Convert to fraction form
    2,892.36/3,991.44 = 1,566.05/x
  3. Step 3: Cross multiply
    2,892.36x = 3,991.44 × 1,566.05
  4. Step 4: Simplify right side
    2,892.36x = 6,250,774.65
  5. Step 5: Solve for x
    x = 6,250,774.65/2,892.36
  6. Step 6: Final answer
    x = 2,161.13

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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.