Home / 3,086.76-4,622.88-2,435.52

Finding the Fourth Proportional to 3,086.76, 4,622.88 and 2,435.52

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Solution

The fourth proportional to 3,086.76, 4,622.88 and 2,435.52 is: 3,647.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.76 : 4,622.88 = 2,435.52 : x
  2. Step 2: Convert to fraction form
    3,086.76/4,622.88 = 2,435.52/x
  3. Step 3: Cross multiply
    3,086.76x = 4,622.88 × 2,435.52
  4. Step 4: Simplify right side
    3,086.76x = 11,259,116.70
  5. Step 5: Solve for x
    x = 11,259,116.70/3,086.76
  6. Step 6: Final answer
    x = 3,647.55

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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.