Home / 1,713.93-2,576.61-1,391.55

Finding the Fourth Proportional to 1,713.93, 2,576.61 and 1,391.55

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Solution

The fourth proportional to 1,713.93, 2,576.61 and 1,391.55 is: 2,091.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.93 : 2,576.61 = 1,391.55 : x
  2. Step 2: Convert to fraction form
    1,713.93/2,576.61 = 1,391.55/x
  3. Step 3: Cross multiply
    1,713.93x = 2,576.61 × 1,391.55
  4. Step 4: Simplify right side
    1,713.93x = 3,585,481.65
  5. Step 5: Solve for x
    x = 3,585,481.65/1,713.93
  6. Step 6: Final answer
    x = 2,091.97

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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.