Home / 3,117.33-4,677.62-1,269.81

Finding the Fourth Proportional to 3,117.33, 4,677.62 and 1,269.81

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Solution

The fourth proportional to 3,117.33, 4,677.62 and 1,269.81 is: 1,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.33 : 4,677.62 = 1,269.81 : x
  2. Step 2: Convert to fraction form
    3,117.33/4,677.62 = 1,269.81/x
  3. Step 3: Cross multiply
    3,117.33x = 4,677.62 × 1,269.81
  4. Step 4: Simplify right side
    3,117.33x = 5,939,682.30
  5. Step 5: Solve for x
    x = 5,939,682.30/3,117.33
  6. Step 6: Final answer
    x = 1,905.37

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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.