Home / 2,289.44-3,429.58-1,055.16

Finding the Fourth Proportional to 2,289.44, 3,429.58 and 1,055.16

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Solution

The fourth proportional to 2,289.44, 3,429.58 and 1,055.16 is: 1,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.44 : 3,429.58 = 1,055.16 : x
  2. Step 2: Convert to fraction form
    2,289.44/3,429.58 = 1,055.16/x
  3. Step 3: Cross multiply
    2,289.44x = 3,429.58 × 1,055.16
  4. Step 4: Simplify right side
    2,289.44x = 3,618,755.63
  5. Step 5: Solve for x
    x = 3,618,755.63/2,289.44
  6. Step 6: Final answer
    x = 1,580.63

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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.