Home / 3,145.08-4,718.58-1,843.80

Finding the Fourth Proportional to 3,145.08, 4,718.58 and 1,843.80

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Solution

The fourth proportional to 3,145.08, 4,718.58 and 1,843.80 is: 2,766.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.08 : 4,718.58 = 1,843.80 : x
  2. Step 2: Convert to fraction form
    3,145.08/4,718.58 = 1,843.80/x
  3. Step 3: Cross multiply
    3,145.08x = 4,718.58 × 1,843.80
  4. Step 4: Simplify right side
    3,145.08x = 8,700,117.80
  5. Step 5: Solve for x
    x = 8,700,117.80/3,145.08
  6. Step 6: Final answer
    x = 2,766.26

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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.