Home / 2,735.60-4,105.32-1,005.68

Finding the Fourth Proportional to 2,735.60, 4,105.32 and 1,005.68

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Solution

The fourth proportional to 2,735.60, 4,105.32 and 1,005.68 is: 1,509.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.60 : 4,105.32 = 1,005.68 : x
  2. Step 2: Convert to fraction form
    2,735.60/4,105.32 = 1,005.68/x
  3. Step 3: Cross multiply
    2,735.60x = 4,105.32 × 1,005.68
  4. Step 4: Simplify right side
    2,735.60x = 4,128,638.22
  5. Step 5: Solve for x
    x = 4,128,638.22/2,735.60
  6. Step 6: Final answer
    x = 1,509.23

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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.