Home / 3,461.02-5,181.78-2,635.90

Finding the Fourth Proportional to 3,461.02, 5,181.78 and 2,635.90

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Solution

The fourth proportional to 3,461.02, 5,181.78 and 2,635.90 is: 3,946.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.02 : 5,181.78 = 2,635.90 : x
  2. Step 2: Convert to fraction form
    3,461.02/5,181.78 = 2,635.90/x
  3. Step 3: Cross multiply
    3,461.02x = 5,181.78 × 2,635.90
  4. Step 4: Simplify right side
    3,461.02x = 13,658,653.90
  5. Step 5: Solve for x
    x = 13,658,653.90/3,461.02
  6. Step 6: Final answer
    x = 3,946.42

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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.