Home / 3,621.28-4,999.08-2,965.20

Finding the Fourth Proportional to 3,621.28, 4,999.08 and 2,965.20

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Solution

The fourth proportional to 3,621.28, 4,999.08 and 2,965.20 is: 4,093.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.28 : 4,999.08 = 2,965.20 : x
  2. Step 2: Convert to fraction form
    3,621.28/4,999.08 = 2,965.20/x
  3. Step 3: Cross multiply
    3,621.28x = 4,999.08 × 2,965.20
  4. Step 4: Simplify right side
    3,621.28x = 14,823,272.02
  5. Step 5: Solve for x
    x = 14,823,272.02/3,621.28
  6. Step 6: Final answer
    x = 4,093.38

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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.