Home / 3,405.39-4,697.91-2,226.30

Finding the Fourth Proportional to 3,405.39, 4,697.91 and 2,226.30

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Solution

The fourth proportional to 3,405.39, 4,697.91 and 2,226.30 is: 3,071.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.39 : 4,697.91 = 2,226.30 : x
  2. Step 2: Convert to fraction form
    3,405.39/4,697.91 = 2,226.30/x
  3. Step 3: Cross multiply
    3,405.39x = 4,697.91 × 2,226.30
  4. Step 4: Simplify right side
    3,405.39x = 10,458,957.03
  5. Step 5: Solve for x
    x = 10,458,957.03/3,405.39
  6. Step 6: Final answer
    x = 3,071.29

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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.