Home / 2,403.08-3,604.32-648.23

Finding the Fourth Proportional to 2,403.08, 3,604.32 and 648.23

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Solution

The fourth proportional to 2,403.08, 3,604.32 and 648.23 is: 972.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.08 : 3,604.32 = 648.23 : x
  2. Step 2: Convert to fraction form
    2,403.08/3,604.32 = 648.23/x
  3. Step 3: Cross multiply
    2,403.08x = 3,604.32 × 648.23
  4. Step 4: Simplify right side
    2,403.08x = 2,336,410.33
  5. Step 5: Solve for x
    x = 2,336,410.33/2,403.08
  6. Step 6: Final answer
    x = 972.26

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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.