Home / 2,884.16-4,324.74-1,239.80

Finding the Fourth Proportional to 2,884.16, 4,324.74 and 1,239.80

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Solution

The fourth proportional to 2,884.16, 4,324.74 and 1,239.80 is: 1,859.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.16 : 4,324.74 = 1,239.80 : x
  2. Step 2: Convert to fraction form
    2,884.16/4,324.74 = 1,239.80/x
  3. Step 3: Cross multiply
    2,884.16x = 4,324.74 × 1,239.80
  4. Step 4: Simplify right side
    2,884.16x = 5,361,812.65
  5. Step 5: Solve for x
    x = 5,361,812.65/2,884.16
  6. Step 6: Final answer
    x = 1,859.06

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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.