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Finding the Fourth Proportional to 2,711.58, 3,740.07 and 1,664.22

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Solution

The fourth proportional to 2,711.58, 3,740.07 and 1,664.22 is: 2,295.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.58 : 3,740.07 = 1,664.22 : x
  2. Step 2: Convert to fraction form
    2,711.58/3,740.07 = 1,664.22/x
  3. Step 3: Cross multiply
    2,711.58x = 3,740.07 × 1,664.22
  4. Step 4: Simplify right side
    2,711.58x = 6,224,299.30
  5. Step 5: Solve for x
    x = 6,224,299.30/2,711.58
  6. Step 6: Final answer
    x = 2,295.45

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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.