Home / 2,650.26-3,970.86-1,804.35

Finding the Fourth Proportional to 2,650.26, 3,970.86 and 1,804.35

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Solution

The fourth proportional to 2,650.26, 3,970.86 and 1,804.35 is: 2,703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.26 : 3,970.86 = 1,804.35 : x
  2. Step 2: Convert to fraction form
    2,650.26/3,970.86 = 1,804.35/x
  3. Step 3: Cross multiply
    2,650.26x = 3,970.86 × 1,804.35
  4. Step 4: Simplify right side
    2,650.26x = 7,164,821.24
  5. Step 5: Solve for x
    x = 7,164,821.24/2,650.26
  6. Step 6: Final answer
    x = 2,703.44

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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.