Home / 3,611.02-5,409.60-2,220.26

Finding the Fourth Proportional to 3,611.02, 5,409.60 and 2,220.26

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Solution

The fourth proportional to 3,611.02, 5,409.60 and 2,220.26 is: 3,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.02 : 5,409.60 = 2,220.26 : x
  2. Step 2: Convert to fraction form
    3,611.02/5,409.60 = 2,220.26/x
  3. Step 3: Cross multiply
    3,611.02x = 5,409.60 × 2,220.26
  4. Step 4: Simplify right side
    3,611.02x = 12,010,718.50
  5. Step 5: Solve for x
    x = 12,010,718.50/3,611.02
  6. Step 6: Final answer
    x = 3,326.13

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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.