Home / 3,164.12-4,745.54-1,432.34

Finding the Fourth Proportional to 3,164.12, 4,745.54 and 1,432.34

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Solution

The fourth proportional to 3,164.12, 4,745.54 and 1,432.34 is: 2,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.12 : 4,745.54 = 1,432.34 : x
  2. Step 2: Convert to fraction form
    3,164.12/4,745.54 = 1,432.34/x
  3. Step 3: Cross multiply
    3,164.12x = 4,745.54 × 1,432.34
  4. Step 4: Simplify right side
    3,164.12x = 6,797,226.76
  5. Step 5: Solve for x
    x = 6,797,226.76/3,164.12
  6. Step 6: Final answer
    x = 2,148.22

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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.