Home / 1,914.30-2,872.03-1,583.75

Finding the Fourth Proportional to 1,914.30, 2,872.03 and 1,583.75

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Solution

The fourth proportional to 1,914.30, 2,872.03 and 1,583.75 is: 2,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.30 : 2,872.03 = 1,583.75 : x
  2. Step 2: Convert to fraction form
    1,914.30/2,872.03 = 1,583.75/x
  3. Step 3: Cross multiply
    1,914.30x = 2,872.03 × 1,583.75
  4. Step 4: Simplify right side
    1,914.30x = 4,548,575.90
  5. Step 5: Solve for x
    x = 4,548,575.90/1,914.30
  6. Step 6: Final answer
    x = 2,376.10

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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.