Home / 1,497.30-2,255.96-1,379.22

Finding the Fourth Proportional to 1,497.30, 2,255.96 and 1,379.22

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Solution

The fourth proportional to 1,497.30, 2,255.96 and 1,379.22 is: 2,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.30 : 2,255.96 = 1,379.22 : x
  2. Step 2: Convert to fraction form
    1,497.30/2,255.96 = 1,379.22/x
  3. Step 3: Cross multiply
    1,497.30x = 2,255.96 × 1,379.22
  4. Step 4: Simplify right side
    1,497.30x = 3,111,458.26
  5. Step 5: Solve for x
    x = 3,111,458.26/1,497.30
  6. Step 6: Final answer
    x = 2,078.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.