Home / 2,095.07-3,138.35-1,681.97

Finding the Fourth Proportional to 2,095.07, 3,138.35 and 1,681.97

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Solution

The fourth proportional to 2,095.07, 3,138.35 and 1,681.97 is: 2,519.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.07 : 3,138.35 = 1,681.97 : x
  2. Step 2: Convert to fraction form
    2,095.07/3,138.35 = 1,681.97/x
  3. Step 3: Cross multiply
    2,095.07x = 3,138.35 × 1,681.97
  4. Step 4: Simplify right side
    2,095.07x = 5,278,610.55
  5. Step 5: Solve for x
    x = 5,278,610.55/2,095.07
  6. Step 6: Final answer
    x = 2,519.54

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1.5x scale

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.