Home / 2,447.78-3,373.52-1,783.58

Finding the Fourth Proportional to 2,447.78, 3,373.52 and 1,783.58

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Solution

The fourth proportional to 2,447.78, 3,373.52 and 1,783.58 is: 2,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.78 : 3,373.52 = 1,783.58 : x
  2. Step 2: Convert to fraction form
    2,447.78/3,373.52 = 1,783.58/x
  3. Step 3: Cross multiply
    2,447.78x = 3,373.52 × 1,783.58
  4. Step 4: Simplify right side
    2,447.78x = 6,016,942.80
  5. Step 5: Solve for x
    x = 6,016,942.80/2,447.78
  6. Step 6: Final answer
    x = 2,458.12

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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.