Home / 3,529.83-5,287.86-1,885.80

Finding the Fourth Proportional to 3,529.83, 5,287.86 and 1,885.80

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Solution

The fourth proportional to 3,529.83, 5,287.86 and 1,885.80 is: 2,825.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.83 : 5,287.86 = 1,885.80 : x
  2. Step 2: Convert to fraction form
    3,529.83/5,287.86 = 1,885.80/x
  3. Step 3: Cross multiply
    3,529.83x = 5,287.86 × 1,885.80
  4. Step 4: Simplify right side
    3,529.83x = 9,971,846.39
  5. Step 5: Solve for x
    x = 9,971,846.39/3,529.83
  6. Step 6: Final answer
    x = 2,825.02

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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.