Home / 1,623.33-2,435.63-650.12

Finding the Fourth Proportional to 1,623.33, 2,435.63 and 650.12

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Solution

The fourth proportional to 1,623.33, 2,435.63 and 650.12 is: 975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.33 : 2,435.63 = 650.12 : x
  2. Step 2: Convert to fraction form
    1,623.33/2,435.63 = 650.12/x
  3. Step 3: Cross multiply
    1,623.33x = 2,435.63 × 650.12
  4. Step 4: Simplify right side
    1,623.33x = 1,583,436.35
  5. Step 5: Solve for x
    x = 1,583,436.35/1,623.33
  6. Step 6: Final answer
    x = 975.42

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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.