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Finding the Fourth Proportional to 2,684.01, 3,697.95 and 2,008.78

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Solution

The fourth proportional to 2,684.01, 3,697.95 and 2,008.78 is: 2,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.01 : 3,697.95 = 2,008.78 : x
  2. Step 2: Convert to fraction form
    2,684.01/3,697.95 = 2,008.78/x
  3. Step 3: Cross multiply
    2,684.01x = 3,697.95 × 2,008.78
  4. Step 4: Simplify right side
    2,684.01x = 7,428,368.00
  5. Step 5: Solve for x
    x = 7,428,368.00/2,684.01
  6. Step 6: Final answer
    x = 2,767.64

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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.