Home / 2,455.48-3,685.80-1,224.28

Finding the Fourth Proportional to 2,455.48, 3,685.80 and 1,224.28

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Solution

The fourth proportional to 2,455.48, 3,685.80 and 1,224.28 is: 1,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.48 : 3,685.80 = 1,224.28 : x
  2. Step 2: Convert to fraction form
    2,455.48/3,685.80 = 1,224.28/x
  3. Step 3: Cross multiply
    2,455.48x = 3,685.80 × 1,224.28
  4. Step 4: Simplify right side
    2,455.48x = 4,512,451.22
  5. Step 5: Solve for x
    x = 4,512,451.22/2,455.48
  6. Step 6: Final answer
    x = 1,837.71

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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.