Home / 3,103.82-4,284.93-1,925.90

Finding the Fourth Proportional to 3,103.82, 4,284.93 and 1,925.90

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Solution

The fourth proportional to 3,103.82, 4,284.93 and 1,925.90 is: 2,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.82 : 4,284.93 = 1,925.90 : x
  2. Step 2: Convert to fraction form
    3,103.82/4,284.93 = 1,925.90/x
  3. Step 3: Cross multiply
    3,103.82x = 4,284.93 × 1,925.90
  4. Step 4: Simplify right side
    3,103.82x = 8,252,346.69
  5. Step 5: Solve for x
    x = 8,252,346.69/3,103.82
  6. Step 6: Final answer
    x = 2,658.77

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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.