Home / 3,267.35-4,902.86-1,319.70

Finding the Fourth Proportional to 3,267.35, 4,902.86 and 1,319.70

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Solution

The fourth proportional to 3,267.35, 4,902.86 and 1,319.70 is: 1,980.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.35 : 4,902.86 = 1,319.70 : x
  2. Step 2: Convert to fraction form
    3,267.35/4,902.86 = 1,319.70/x
  3. Step 3: Cross multiply
    3,267.35x = 4,902.86 × 1,319.70
  4. Step 4: Simplify right side
    3,267.35x = 6,470,304.34
  5. Step 5: Solve for x
    x = 6,470,304.34/3,267.35
  6. Step 6: Final answer
    x = 1,980.29

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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.