Home / 3,310.35-4,969.17-2,621.45

Finding the Fourth Proportional to 3,310.35, 4,969.17 and 2,621.45

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Solution

The fourth proportional to 3,310.35, 4,969.17 and 2,621.45 is: 3,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.35 : 4,969.17 = 2,621.45 : x
  2. Step 2: Convert to fraction form
    3,310.35/4,969.17 = 2,621.45/x
  3. Step 3: Cross multiply
    3,310.35x = 4,969.17 × 2,621.45
  4. Step 4: Simplify right side
    3,310.35x = 13,026,405.85
  5. Step 5: Solve for x
    x = 13,026,405.85/3,310.35
  6. Step 6: Final answer
    x = 3,935.05

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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.