Home / 3,542.35-5,314.20-1,900.73

Finding the Fourth Proportional to 3,542.35, 5,314.20 and 1,900.73

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Solution

The fourth proportional to 3,542.35, 5,314.20 and 1,900.73 is: 2,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.35 : 5,314.20 = 1,900.73 : x
  2. Step 2: Convert to fraction form
    3,542.35/5,314.20 = 1,900.73/x
  3. Step 3: Cross multiply
    3,542.35x = 5,314.20 × 1,900.73
  4. Step 4: Simplify right side
    3,542.35x = 10,100,823.29
  5. Step 5: Solve for x
    x = 10,100,823.29/3,542.35
  6. Step 6: Final answer
    x = 2,851.45

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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.