Home / 3,317.11-4,995.42-2,889.43

Finding the Fourth Proportional to 3,317.11, 4,995.42 and 2,889.43

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Solution

The fourth proportional to 3,317.11, 4,995.42 and 2,889.43 is: 4,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.11 : 4,995.42 = 2,889.43 : x
  2. Step 2: Convert to fraction form
    3,317.11/4,995.42 = 2,889.43/x
  3. Step 3: Cross multiply
    3,317.11x = 4,995.42 × 2,889.43
  4. Step 4: Simplify right side
    3,317.11x = 14,433,916.41
  5. Step 5: Solve for x
    x = 14,433,916.41/3,317.11
  6. Step 6: Final answer
    x = 4,351.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.