Home / 2,230.32-3,061.36-1,976.08

Finding the Fourth Proportional to 2,230.32, 3,061.36 and 1,976.08

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Solution

The fourth proportional to 2,230.32, 3,061.36 and 1,976.08 is: 2,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.32 : 3,061.36 = 1,976.08 : x
  2. Step 2: Convert to fraction form
    2,230.32/3,061.36 = 1,976.08/x
  3. Step 3: Cross multiply
    2,230.32x = 3,061.36 × 1,976.08
  4. Step 4: Simplify right side
    2,230.32x = 6,049,492.27
  5. Step 5: Solve for x
    x = 6,049,492.27/2,230.32
  6. Step 6: Final answer
    x = 2,712.39

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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.