Home / 2,455.54-3,678.28-2,043.34

Finding the Fourth Proportional to 2,455.54, 3,678.28 and 2,043.34

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Solution

The fourth proportional to 2,455.54, 3,678.28 and 2,043.34 is: 3,060.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.54 : 3,678.28 = 2,043.34 : x
  2. Step 2: Convert to fraction form
    2,455.54/3,678.28 = 2,043.34/x
  3. Step 3: Cross multiply
    2,455.54x = 3,678.28 × 2,043.34
  4. Step 4: Simplify right side
    2,455.54x = 7,515,976.66
  5. Step 5: Solve for x
    x = 7,515,976.66/2,455.54
  6. Step 6: Final answer
    x = 3,060.82

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1.5x scale

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.