Home / 3,586.95-5,378.27-1,395.09

Finding the Fourth Proportional to 3,586.95, 5,378.27 and 1,395.09

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Solution

The fourth proportional to 3,586.95, 5,378.27 and 1,395.09 is: 2,091.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.95 : 5,378.27 = 1,395.09 : x
  2. Step 2: Convert to fraction form
    3,586.95/5,378.27 = 1,395.09/x
  3. Step 3: Cross multiply
    3,586.95x = 5,378.27 × 1,395.09
  4. Step 4: Simplify right side
    3,586.95x = 7,503,163.72
  5. Step 5: Solve for x
    x = 7,503,163.72/3,586.95
  6. Step 6: Final answer
    x = 2,091.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.