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Finding the Fourth Proportional to 2,684.93, 4,030.83 and 2,069.06

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Solution

The fourth proportional to 2,684.93, 4,030.83 and 2,069.06 is: 3,106.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.93 : 4,030.83 = 2,069.06 : x
  2. Step 2: Convert to fraction form
    2,684.93/4,030.83 = 2,069.06/x
  3. Step 3: Cross multiply
    2,684.93x = 4,030.83 × 2,069.06
  4. Step 4: Simplify right side
    2,684.93x = 8,340,008.97
  5. Step 5: Solve for x
    x = 8,340,008.97/2,684.93
  6. Step 6: Final answer
    x = 3,106.24

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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.