Home / 3,086.08-4,628.40-1,005.55

Finding the Fourth Proportional to 3,086.08, 4,628.40 and 1,005.55

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Solution

The fourth proportional to 3,086.08, 4,628.40 and 1,005.55 is: 1,508.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.08 : 4,628.40 = 1,005.55 : x
  2. Step 2: Convert to fraction form
    3,086.08/4,628.40 = 1,005.55/x
  3. Step 3: Cross multiply
    3,086.08x = 4,628.40 × 1,005.55
  4. Step 4: Simplify right side
    3,086.08x = 4,654,087.62
  5. Step 5: Solve for x
    x = 4,654,087.62/3,086.08
  6. Step 6: Final answer
    x = 1,508.09

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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.