Home / 3,168.21-4,372.11-1,770.96

Finding the Fourth Proportional to 3,168.21, 4,372.11 and 1,770.96

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Solution

The fourth proportional to 3,168.21, 4,372.11 and 1,770.96 is: 2,443.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.21 : 4,372.11 = 1,770.96 : x
  2. Step 2: Convert to fraction form
    3,168.21/4,372.11 = 1,770.96/x
  3. Step 3: Cross multiply
    3,168.21x = 4,372.11 × 1,770.96
  4. Step 4: Simplify right side
    3,168.21x = 7,742,831.93
  5. Step 5: Solve for x
    x = 7,742,831.93/3,168.21
  6. Step 6: Final answer
    x = 2,443.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.