Home / 2,991.10-4,478.44-2,258.46

Finding the Fourth Proportional to 2,991.10, 4,478.44 and 2,258.46

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Solution

The fourth proportional to 2,991.10, 4,478.44 and 2,258.46 is: 3,381.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.10 : 4,478.44 = 2,258.46 : x
  2. Step 2: Convert to fraction form
    2,991.10/4,478.44 = 2,258.46/x
  3. Step 3: Cross multiply
    2,991.10x = 4,478.44 × 2,258.46
  4. Step 4: Simplify right side
    2,991.10x = 10,114,377.60
  5. Step 5: Solve for x
    x = 10,114,377.60/2,991.10
  6. Step 6: Final answer
    x = 3,381.49

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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.