Home / 1,804.63-2,491.44-1,245.91

Finding the Fourth Proportional to 1,804.63, 2,491.44 and 1,245.91

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Solution

The fourth proportional to 1,804.63, 2,491.44 and 1,245.91 is: 1,720.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.63 : 2,491.44 = 1,245.91 : x
  2. Step 2: Convert to fraction form
    1,804.63/2,491.44 = 1,245.91/x
  3. Step 3: Cross multiply
    1,804.63x = 2,491.44 × 1,245.91
  4. Step 4: Simplify right side
    1,804.63x = 3,104,110.01
  5. Step 5: Solve for x
    x = 3,104,110.01/1,804.63
  6. Step 6: Final answer
    x = 1,720.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.