Home / 3,905.58-5,860.68-1,442.12

Finding the Fourth Proportional to 3,905.58, 5,860.68 and 1,442.12

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Solution

The fourth proportional to 3,905.58, 5,860.68 and 1,442.12 is: 2,164.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.58 : 5,860.68 = 1,442.12 : x
  2. Step 2: Convert to fraction form
    3,905.58/5,860.68 = 1,442.12/x
  3. Step 3: Cross multiply
    3,905.58x = 5,860.68 × 1,442.12
  4. Step 4: Simplify right side
    3,905.58x = 8,451,803.84
  5. Step 5: Solve for x
    x = 8,451,803.84/3,905.58
  6. Step 6: Final answer
    x = 2,164.03

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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.