Home / 2,290.50-3,163.44-1,584.30

Finding the Fourth Proportional to 2,290.50, 3,163.44 and 1,584.30

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Solution

The fourth proportional to 2,290.50, 3,163.44 and 1,584.30 is: 2,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.50 : 3,163.44 = 1,584.30 : x
  2. Step 2: Convert to fraction form
    2,290.50/3,163.44 = 1,584.30/x
  3. Step 3: Cross multiply
    2,290.50x = 3,163.44 × 1,584.30
  4. Step 4: Simplify right side
    2,290.50x = 5,011,837.99
  5. Step 5: Solve for x
    x = 5,011,837.99/2,290.50
  6. Step 6: Final answer
    x = 2,188.10

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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.