Home / 2,455.58-3,388.66-1,336.50

Finding the Fourth Proportional to 2,455.58, 3,388.66 and 1,336.50

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Solution

The fourth proportional to 2,455.58, 3,388.66 and 1,336.50 is: 1,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.58 : 3,388.66 = 1,336.50 : x
  2. Step 2: Convert to fraction form
    2,455.58/3,388.66 = 1,336.50/x
  3. Step 3: Cross multiply
    2,455.58x = 3,388.66 × 1,336.50
  4. Step 4: Simplify right side
    2,455.58x = 4,528,940.75
  5. Step 5: Solve for x
    x = 4,528,940.75/2,455.58
  6. Step 6: Final answer
    x = 1,844.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.