Home / 1,504.04-2,255.89-408.49

Finding the Fourth Proportional to 1,504.04, 2,255.89 and 408.49

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Solution

The fourth proportional to 1,504.04, 2,255.89 and 408.49 is: 612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.04 : 2,255.89 = 408.49 : x
  2. Step 2: Convert to fraction form
    1,504.04/2,255.89 = 408.49/x
  3. Step 3: Cross multiply
    1,504.04x = 2,255.89 × 408.49
  4. Step 4: Simplify right side
    1,504.04x = 921,508.51
  5. Step 5: Solve for x
    x = 921,508.51/1,504.04
  6. Step 6: Final answer
    x = 612.69

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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.