Home / 3,214.32-4,435.89-1,887.96

Finding the Fourth Proportional to 3,214.32, 4,435.89 and 1,887.96

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Solution

The fourth proportional to 3,214.32, 4,435.89 and 1,887.96 is: 2,605.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.32 : 4,435.89 = 1,887.96 : x
  2. Step 2: Convert to fraction form
    3,214.32/4,435.89 = 1,887.96/x
  3. Step 3: Cross multiply
    3,214.32x = 4,435.89 × 1,887.96
  4. Step 4: Simplify right side
    3,214.32x = 8,374,782.88
  5. Step 5: Solve for x
    x = 8,374,782.88/3,214.32
  6. Step 6: Final answer
    x = 2,605.46

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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.