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Finding the Fourth Proportional to 2,701.70, 3,728.38 and 1,522.77

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Solution

The fourth proportional to 2,701.70, 3,728.38 and 1,522.77 is: 2,101.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.70 : 3,728.38 = 1,522.77 : x
  2. Step 2: Convert to fraction form
    2,701.70/3,728.38 = 1,522.77/x
  3. Step 3: Cross multiply
    2,701.70x = 3,728.38 × 1,522.77
  4. Step 4: Simplify right side
    2,701.70x = 5,677,479.19
  5. Step 5: Solve for x
    x = 5,677,479.19/2,701.70
  6. Step 6: Final answer
    x = 2,101.44

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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.