Home / 2,455.63-3,388.75-1,336.56

Finding the Fourth Proportional to 2,455.63, 3,388.75 and 1,336.56

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Solution

The fourth proportional to 2,455.63, 3,388.75 and 1,336.56 is: 1,844.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.63 : 3,388.75 = 1,336.56 : x
  2. Step 2: Convert to fraction form
    2,455.63/3,388.75 = 1,336.56/x
  3. Step 3: Cross multiply
    2,455.63x = 3,388.75 × 1,336.56
  4. Step 4: Simplify right side
    2,455.63x = 4,529,267.70
  5. Step 5: Solve for x
    x = 4,529,267.70/2,455.63
  6. Step 6: Final answer
    x = 1,844.44

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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.