Home / 2,701.81-3,728.48-1,522.85

Finding the Fourth Proportional to 2,701.81, 3,728.48 and 1,522.85

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Solution

The fourth proportional to 2,701.81, 3,728.48 and 1,522.85 is: 2,101.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.81 : 3,728.48 = 1,522.85 : x
  2. Step 2: Convert to fraction form
    2,701.81/3,728.48 = 1,522.85/x
  3. Step 3: Cross multiply
    2,701.81x = 3,728.48 × 1,522.85
  4. Step 4: Simplify right side
    2,701.81x = 5,677,919.05
  5. Step 5: Solve for x
    x = 5,677,919.05/2,701.81
  6. Step 6: Final answer
    x = 2,101.53

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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.