Home / 3,580.78-5,367.92-1,271.74

Finding the Fourth Proportional to 3,580.78, 5,367.92 and 1,271.74

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Solution

The fourth proportional to 3,580.78, 5,367.92 and 1,271.74 is: 1,906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.78 : 5,367.92 = 1,271.74 : x
  2. Step 2: Convert to fraction form
    3,580.78/5,367.92 = 1,271.74/x
  3. Step 3: Cross multiply
    3,580.78x = 5,367.92 × 1,271.74
  4. Step 4: Simplify right side
    3,580.78x = 6,826,598.58
  5. Step 5: Solve for x
    x = 6,826,598.58/3,580.78
  6. Step 6: Final answer
    x = 1,906.46

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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.