Home / 2,954.54-4,420.72-1,809.40

Finding the Fourth Proportional to 2,954.54, 4,420.72 and 1,809.40

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Solution

The fourth proportional to 2,954.54, 4,420.72 and 1,809.40 is: 2,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.54 : 4,420.72 = 1,809.40 : x
  2. Step 2: Convert to fraction form
    2,954.54/4,420.72 = 1,809.40/x
  3. Step 3: Cross multiply
    2,954.54x = 4,420.72 × 1,809.40
  4. Step 4: Simplify right side
    2,954.54x = 7,998,850.77
  5. Step 5: Solve for x
    x = 7,998,850.77/2,954.54
  6. Step 6: Final answer
    x = 2,707.31

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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.