Home / 2,975.68-4,103.07-1,897.51

Finding the Fourth Proportional to 2,975.68, 4,103.07 and 1,897.51

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Solution

The fourth proportional to 2,975.68, 4,103.07 and 1,897.51 is: 2,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.68 : 4,103.07 = 1,897.51 : x
  2. Step 2: Convert to fraction form
    2,975.68/4,103.07 = 1,897.51/x
  3. Step 3: Cross multiply
    2,975.68x = 4,103.07 × 1,897.51
  4. Step 4: Simplify right side
    2,975.68x = 7,785,626.65
  5. Step 5: Solve for x
    x = 7,785,626.65/2,975.68
  6. Step 6: Final answer
    x = 2,616.42

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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.