Home / 3,145.99-4,346.94-2,586.03

Finding the Fourth Proportional to 3,145.99, 4,346.94 and 2,586.03

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Solution

The fourth proportional to 3,145.99, 4,346.94 and 2,586.03 is: 3,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.99 : 4,346.94 = 2,586.03 : x
  2. Step 2: Convert to fraction form
    3,145.99/4,346.94 = 2,586.03/x
  3. Step 3: Cross multiply
    3,145.99x = 4,346.94 × 2,586.03
  4. Step 4: Simplify right side
    3,145.99x = 11,241,317.25
  5. Step 5: Solve for x
    x = 11,241,317.25/3,145.99
  6. Step 6: Final answer
    x = 3,573.22

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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.