Home / 3,628.02-5,005.83-2,211.30

Finding the Fourth Proportional to 3,628.02, 5,005.83 and 2,211.30

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Solution

The fourth proportional to 3,628.02, 5,005.83 and 2,211.30 is: 3,051.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.02 : 5,005.83 = 2,211.30 : x
  2. Step 2: Convert to fraction form
    3,628.02/5,005.83 = 2,211.30/x
  3. Step 3: Cross multiply
    3,628.02x = 5,005.83 × 2,211.30
  4. Step 4: Simplify right side
    3,628.02x = 11,069,391.88
  5. Step 5: Solve for x
    x = 11,069,391.88/3,628.02
  6. Step 6: Final answer
    x = 3,051.08

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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.