Home / 3,515.06-4,850.28-2,986.07

Finding the Fourth Proportional to 3,515.06, 4,850.28 and 2,986.07

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Solution

The fourth proportional to 3,515.06, 4,850.28 and 2,986.07 is: 4,120.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.06 : 4,850.28 = 2,986.07 : x
  2. Step 2: Convert to fraction form
    3,515.06/4,850.28 = 2,986.07/x
  3. Step 3: Cross multiply
    3,515.06x = 4,850.28 × 2,986.07
  4. Step 4: Simplify right side
    3,515.06x = 14,483,251.35
  5. Step 5: Solve for x
    x = 14,483,251.35/3,515.06
  6. Step 6: Final answer
    x = 4,120.34

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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.