Home / 3,118.50-4,677.84-1,269.27

Finding the Fourth Proportional to 3,118.50, 4,677.84 and 1,269.27

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Solution

The fourth proportional to 3,118.50, 4,677.84 and 1,269.27 is: 1,903.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.50 : 4,677.84 = 1,269.27 : x
  2. Step 2: Convert to fraction form
    3,118.50/4,677.84 = 1,269.27/x
  3. Step 3: Cross multiply
    3,118.50x = 4,677.84 × 1,269.27
  4. Step 4: Simplify right side
    3,118.50x = 5,937,441.98
  5. Step 5: Solve for x
    x = 5,937,441.98/3,118.50
  6. Step 6: Final answer
    x = 1,903.94

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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.