Home / 3,477.72-4,794.28-2,150.64

Finding the Fourth Proportional to 3,477.72, 4,794.28 and 2,150.64

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Solution

The fourth proportional to 3,477.72, 4,794.28 and 2,150.64 is: 2,964.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.72 : 4,794.28 = 2,150.64 : x
  2. Step 2: Convert to fraction form
    3,477.72/4,794.28 = 2,150.64/x
  3. Step 3: Cross multiply
    3,477.72x = 4,794.28 × 2,150.64
  4. Step 4: Simplify right side
    3,477.72x = 10,310,770.34
  5. Step 5: Solve for x
    x = 10,310,770.34/3,477.72
  6. Step 6: Final answer
    x = 2,964.81

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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.