Home / 3,119.67-4,675.86-1,269.63

Finding the Fourth Proportional to 3,119.67, 4,675.86 and 1,269.63

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Solution

The fourth proportional to 3,119.67, 4,675.86 and 1,269.63 is: 1,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.67 : 4,675.86 = 1,269.63 : x
  2. Step 2: Convert to fraction form
    3,119.67/4,675.86 = 1,269.63/x
  3. Step 3: Cross multiply
    3,119.67x = 4,675.86 × 1,269.63
  4. Step 4: Simplify right side
    3,119.67x = 5,936,612.13
  5. Step 5: Solve for x
    x = 5,936,612.13/3,119.67
  6. Step 6: Final answer
    x = 1,902.96

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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.