Home / 2,185.63-3,280.26-1,031.38

Finding the Fourth Proportional to 2,185.63, 3,280.26 and 1,031.38

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Solution

The fourth proportional to 2,185.63, 3,280.26 and 1,031.38 is: 1,547.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.63 : 3,280.26 = 1,031.38 : x
  2. Step 2: Convert to fraction form
    2,185.63/3,280.26 = 1,031.38/x
  3. Step 3: Cross multiply
    2,185.63x = 3,280.26 × 1,031.38
  4. Step 4: Simplify right side
    2,185.63x = 3,383,194.56
  5. Step 5: Solve for x
    x = 3,383,194.56/2,185.63
  6. Step 6: Final answer
    x = 1,547.93

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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.