Home / 2,495.21-3,442.30-1,611.09

Finding the Fourth Proportional to 2,495.21, 3,442.30 and 1,611.09

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Solution

The fourth proportional to 2,495.21, 3,442.30 and 1,611.09 is: 2,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.21 : 3,442.30 = 1,611.09 : x
  2. Step 2: Convert to fraction form
    2,495.21/3,442.30 = 1,611.09/x
  3. Step 3: Cross multiply
    2,495.21x = 3,442.30 × 1,611.09
  4. Step 4: Simplify right side
    2,495.21x = 5,545,851.08
  5. Step 5: Solve for x
    x = 5,545,851.08/2,495.21
  6. Step 6: Final answer
    x = 2,222.60

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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.