Home / 3,070.32-4,236.96-2,822.64

Finding the Fourth Proportional to 3,070.32, 4,236.96 and 2,822.64

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Solution

The fourth proportional to 3,070.32, 4,236.96 and 2,822.64 is: 3,895.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.32 : 4,236.96 = 2,822.64 : x
  2. Step 2: Convert to fraction form
    3,070.32/4,236.96 = 2,822.64/x
  3. Step 3: Cross multiply
    3,070.32x = 4,236.96 × 2,822.64
  4. Step 4: Simplify right side
    3,070.32x = 11,959,412.77
  5. Step 5: Solve for x
    x = 11,959,412.77/3,070.32
  6. Step 6: Final answer
    x = 3,895.17

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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.