Home / 4,155.58-6,234.22-1,690.38

Finding the Fourth Proportional to 4,155.58, 6,234.22 and 1,690.38

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Solution

The fourth proportional to 4,155.58, 6,234.22 and 1,690.38 is: 2,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.58 : 6,234.22 = 1,690.38 : x
  2. Step 2: Convert to fraction form
    4,155.58/6,234.22 = 1,690.38/x
  3. Step 3: Cross multiply
    4,155.58x = 6,234.22 × 1,690.38
  4. Step 4: Simplify right side
    4,155.58x = 10,538,200.80
  5. Step 5: Solve for x
    x = 10,538,200.80/4,155.58
  6. Step 6: Final answer
    x = 2,535.92

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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.