Home / 1,504.08-2,255.94-408.53

Finding the Fourth Proportional to 1,504.08, 2,255.94 and 408.53

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Solution

The fourth proportional to 1,504.08, 2,255.94 and 408.53 is: 612.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.08 : 2,255.94 = 408.53 : x
  2. Step 2: Convert to fraction form
    1,504.08/2,255.94 = 408.53/x
  3. Step 3: Cross multiply
    1,504.08x = 2,255.94 × 408.53
  4. Step 4: Simplify right side
    1,504.08x = 921,607.89
  5. Step 5: Solve for x
    x = 921,607.89/1,504.08
  6. Step 6: Final answer
    x = 612.74

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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.