Home / 2,151.32-3,223.87-1,054.44

Finding the Fourth Proportional to 2,151.32, 3,223.87 and 1,054.44

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Solution

The fourth proportional to 2,151.32, 3,223.87 and 1,054.44 is: 1,580.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.32 : 3,223.87 = 1,054.44 : x
  2. Step 2: Convert to fraction form
    2,151.32/3,223.87 = 1,054.44/x
  3. Step 3: Cross multiply
    2,151.32x = 3,223.87 × 1,054.44
  4. Step 4: Simplify right side
    2,151.32x = 3,399,374.85
  5. Step 5: Solve for x
    x = 3,399,374.85/2,151.32
  6. Step 6: Final answer
    x = 1,580.14

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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.