Home / 2,822.51-4,232.96-1,178.72

Finding the Fourth Proportional to 2,822.51, 4,232.96 and 1,178.72

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Solution

The fourth proportional to 2,822.51, 4,232.96 and 1,178.72 is: 1,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.51 : 4,232.96 = 1,178.72 : x
  2. Step 2: Convert to fraction form
    2,822.51/4,232.96 = 1,178.72/x
  3. Step 3: Cross multiply
    2,822.51x = 4,232.96 × 1,178.72
  4. Step 4: Simplify right side
    2,822.51x = 4,989,467.85
  5. Step 5: Solve for x
    x = 4,989,467.85/2,822.51
  6. Step 6: Final answer
    x = 1,767.74

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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.