Home / 2,684.16-4,020.12-1,946.16

Finding the Fourth Proportional to 2,684.16, 4,020.12 and 1,946.16

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Solution

The fourth proportional to 2,684.16, 4,020.12 and 1,946.16 is: 2,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.16 : 4,020.12 = 1,946.16 : x
  2. Step 2: Convert to fraction form
    2,684.16/4,020.12 = 1,946.16/x
  3. Step 3: Cross multiply
    2,684.16x = 4,020.12 × 1,946.16
  4. Step 4: Simplify right side
    2,684.16x = 7,823,796.74
  5. Step 5: Solve for x
    x = 7,823,796.74/2,684.16
  6. Step 6: Final answer
    x = 2,914.80

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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.