Home / 2,586.37-3,878.03-1,025.09

Finding the Fourth Proportional to 2,586.37, 3,878.03 and 1,025.09

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Solution

The fourth proportional to 2,586.37, 3,878.03 and 1,025.09 is: 1,537.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.37 : 3,878.03 = 1,025.09 : x
  2. Step 2: Convert to fraction form
    2,586.37/3,878.03 = 1,025.09/x
  3. Step 3: Cross multiply
    2,586.37x = 3,878.03 × 1,025.09
  4. Step 4: Simplify right side
    2,586.37x = 3,975,329.77
  5. Step 5: Solve for x
    x = 3,975,329.77/2,586.37
  6. Step 6: Final answer
    x = 1,537.03

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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.