Home / 3,544.20-5,316.90-1,900.30

Finding the Fourth Proportional to 3,544.20, 5,316.90 and 1,900.30

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Solution

The fourth proportional to 3,544.20, 5,316.90 and 1,900.30 is: 2,850.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.20 : 5,316.90 = 1,900.30 : x
  2. Step 2: Convert to fraction form
    3,544.20/5,316.90 = 1,900.30/x
  3. Step 3: Cross multiply
    3,544.20x = 5,316.90 × 1,900.30
  4. Step 4: Simplify right side
    3,544.20x = 10,103,705.07
  5. Step 5: Solve for x
    x = 10,103,705.07/3,544.20
  6. Step 6: Final answer
    x = 2,850.77

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Double scale
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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.