Home / 3,577.56-4,930.38-3,103.98

Finding the Fourth Proportional to 3,577.56, 4,930.38 and 3,103.98

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Solution

The fourth proportional to 3,577.56, 4,930.38 and 3,103.98 is: 4,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.56 : 4,930.38 = 3,103.98 : x
  2. Step 2: Convert to fraction form
    3,577.56/4,930.38 = 3,103.98/x
  3. Step 3: Cross multiply
    3,577.56x = 4,930.38 × 3,103.98
  4. Step 4: Simplify right side
    3,577.56x = 15,303,800.91
  5. Step 5: Solve for x
    x = 15,303,800.91/3,577.56
  6. Step 6: Final answer
    x = 4,277.72

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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.