Home / 3,698.30-5,533.56-2,212.06

Finding the Fourth Proportional to 3,698.30, 5,533.56 and 2,212.06

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Solution

The fourth proportional to 3,698.30, 5,533.56 and 2,212.06 is: 3,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.30 : 5,533.56 = 2,212.06 : x
  2. Step 2: Convert to fraction form
    3,698.30/5,533.56 = 2,212.06/x
  3. Step 3: Cross multiply
    3,698.30x = 5,533.56 × 2,212.06
  4. Step 4: Simplify right side
    3,698.30x = 12,240,528.01
  5. Step 5: Solve for x
    x = 12,240,528.01/3,698.30
  6. Step 6: Final answer
    x = 3,309.77

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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.