Home / 3,447.38-5,172.12-1,803.02

Finding the Fourth Proportional to 3,447.38, 5,172.12 and 1,803.02

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Solution

The fourth proportional to 3,447.38, 5,172.12 and 1,803.02 is: 2,705.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.38 : 5,172.12 = 1,803.02 : x
  2. Step 2: Convert to fraction form
    3,447.38/5,172.12 = 1,803.02/x
  3. Step 3: Cross multiply
    3,447.38x = 5,172.12 × 1,803.02
  4. Step 4: Simplify right side
    3,447.38x = 9,325,409.94
  5. Step 5: Solve for x
    x = 9,325,409.94/3,447.38
  6. Step 6: Final answer
    x = 2,705.07

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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.