Home / 3,314.30-4,971.67-1,122.28

Finding the Fourth Proportional to 3,314.30, 4,971.67 and 1,122.28

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Solution

The fourth proportional to 3,314.30, 4,971.67 and 1,122.28 is: 1,683.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.30 : 4,971.67 = 1,122.28 : x
  2. Step 2: Convert to fraction form
    3,314.30/4,971.67 = 1,122.28/x
  3. Step 3: Cross multiply
    3,314.30x = 4,971.67 × 1,122.28
  4. Step 4: Simplify right side
    3,314.30x = 5,579,605.81
  5. Step 5: Solve for x
    x = 5,579,605.81/3,314.30
  6. Step 6: Final answer
    x = 1,683.49

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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.