Home / 2,211.26-3,315.36-1,586.94

Finding the Fourth Proportional to 2,211.26, 3,315.36 and 1,586.94

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Solution

The fourth proportional to 2,211.26, 3,315.36 and 1,586.94 is: 2,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.26 : 3,315.36 = 1,586.94 : x
  2. Step 2: Convert to fraction form
    2,211.26/3,315.36 = 1,586.94/x
  3. Step 3: Cross multiply
    2,211.26x = 3,315.36 × 1,586.94
  4. Step 4: Simplify right side
    2,211.26x = 5,261,276.18
  5. Step 5: Solve for x
    x = 5,261,276.18/2,211.26
  6. Step 6: Final answer
    x = 2,379.31

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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.