Home / 1,623.30-2,436.75-650.09

Finding the Fourth Proportional to 1,623.30, 2,436.75 and 650.09

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Solution

The fourth proportional to 1,623.30, 2,436.75 and 650.09 is: 975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.30 : 2,436.75 = 650.09 : x
  2. Step 2: Convert to fraction form
    1,623.30/2,436.75 = 650.09/x
  3. Step 3: Cross multiply
    1,623.30x = 2,436.75 × 650.09
  4. Step 4: Simplify right side
    1,623.30x = 1,584,094.62
  5. Step 5: Solve for x
    x = 1,584,094.62/1,623.30
  6. Step 6: Final answer
    x = 975.85

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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.