Home / 2,954.31-4,433.01-1,914.05

Finding the Fourth Proportional to 2,954.31, 4,433.01 and 1,914.05

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Solution

The fourth proportional to 2,954.31, 4,433.01 and 1,914.05 is: 2,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.31 : 4,433.01 = 1,914.05 : x
  2. Step 2: Convert to fraction form
    2,954.31/4,433.01 = 1,914.05/x
  3. Step 3: Cross multiply
    2,954.31x = 4,433.01 × 1,914.05
  4. Step 4: Simplify right side
    2,954.31x = 8,484,980.63
  5. Step 5: Solve for x
    x = 8,484,980.63/2,954.31
  6. Step 6: Final answer
    x = 2,872.07

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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.