Home / 2,455.44-3,388.56-1,336.38

Finding the Fourth Proportional to 2,455.44, 3,388.56 and 1,336.38

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Solution

The fourth proportional to 2,455.44, 3,388.56 and 1,336.38 is: 1,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.44 : 3,388.56 = 1,336.38 : x
  2. Step 2: Convert to fraction form
    2,455.44/3,388.56 = 1,336.38/x
  3. Step 3: Cross multiply
    2,455.44x = 3,388.56 × 1,336.38
  4. Step 4: Simplify right side
    2,455.44x = 4,528,403.81
  5. Step 5: Solve for x
    x = 4,528,403.81/2,455.44
  6. Step 6: Final answer
    x = 1,844.23

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1.5x scale

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.