Home / 2,586.70-3,882.49-1,847.05

Finding the Fourth Proportional to 2,586.70, 3,882.49 and 1,847.05

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Solution

The fourth proportional to 2,586.70, 3,882.49 and 1,847.05 is: 2,772.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.70 : 3,882.49 = 1,847.05 : x
  2. Step 2: Convert to fraction form
    2,586.70/3,882.49 = 1,847.05/x
  3. Step 3: Cross multiply
    2,586.70x = 3,882.49 × 1,847.05
  4. Step 4: Simplify right side
    2,586.70x = 7,171,153.15
  5. Step 5: Solve for x
    x = 7,171,153.15/2,586.70
  6. Step 6: Final answer
    x = 2,772.32

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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.