Home / 2,784.56-4,177.52-1,394.45

Finding the Fourth Proportional to 2,784.56, 4,177.52 and 1,394.45

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Solution

The fourth proportional to 2,784.56, 4,177.52 and 1,394.45 is: 2,092.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.56 : 4,177.52 = 1,394.45 : x
  2. Step 2: Convert to fraction form
    2,784.56/4,177.52 = 1,394.45/x
  3. Step 3: Cross multiply
    2,784.56x = 4,177.52 × 1,394.45
  4. Step 4: Simplify right side
    2,784.56x = 5,825,343.64
  5. Step 5: Solve for x
    x = 5,825,343.64/2,784.56
  6. Step 6: Final answer
    x = 2,092.02

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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.