Home / 4,292.96-6,440.67-2,102.90

Finding the Fourth Proportional to 4,292.96, 6,440.67 and 2,102.90

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Solution

The fourth proportional to 4,292.96, 6,440.67 and 2,102.90 is: 3,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.96 : 6,440.67 = 2,102.90 : x
  2. Step 2: Convert to fraction form
    4,292.96/6,440.67 = 2,102.90/x
  3. Step 3: Cross multiply
    4,292.96x = 6,440.67 × 2,102.90
  4. Step 4: Simplify right side
    4,292.96x = 13,544,052.74
  5. Step 5: Solve for x
    x = 13,544,052.74/4,292.96
  6. Step 6: Final answer
    x = 3,154.95

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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.