Home / 3,362.08-5,053.92-3,121.60

Finding the Fourth Proportional to 3,362.08, 5,053.92 and 3,121.60

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Solution

The fourth proportional to 3,362.08, 5,053.92 and 3,121.60 is: 4,692.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.08 : 5,053.92 = 3,121.60 : x
  2. Step 2: Convert to fraction form
    3,362.08/5,053.92 = 3,121.60/x
  3. Step 3: Cross multiply
    3,362.08x = 5,053.92 × 3,121.60
  4. Step 4: Simplify right side
    3,362.08x = 15,776,316.67
  5. Step 5: Solve for x
    x = 15,776,316.67/3,362.08
  6. Step 6: Final answer
    x = 4,692.43

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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.