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Finding the Fourth Proportional to 2,662.90, 3,674.00 and 1,719.23

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Solution

The fourth proportional to 2,662.90, 3,674.00 and 1,719.23 is: 2,372.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662.90 : 3,674.00 = 1,719.23 : x
  2. Step 2: Convert to fraction form
    2,662.90/3,674.00 = 1,719.23/x
  3. Step 3: Cross multiply
    2,662.90x = 3,674.00 × 1,719.23
  4. Step 4: Simplify right side
    2,662.90x = 6,316,436.95
  5. Step 5: Solve for x
    x = 6,316,436.95/2,662.90
  6. Step 6: Final answer
    x = 2,372.02

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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.