Home / 3,197.74-4,412.92-1,871.18

Finding the Fourth Proportional to 3,197.74, 4,412.92 and 1,871.18

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Solution

The fourth proportional to 3,197.74, 4,412.92 and 1,871.18 is: 2,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.74 : 4,412.92 = 1,871.18 : x
  2. Step 2: Convert to fraction form
    3,197.74/4,412.92 = 1,871.18/x
  3. Step 3: Cross multiply
    3,197.74x = 4,412.92 × 1,871.18
  4. Step 4: Simplify right side
    3,197.74x = 8,257,367.65
  5. Step 5: Solve for x
    x = 8,257,367.65/3,197.74
  6. Step 6: Final answer
    x = 2,582.25

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1.5x scale

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.