Home / 3,977.55-5,968.26-1,605.53

Finding the Fourth Proportional to 3,977.55, 5,968.26 and 1,605.53

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Solution

The fourth proportional to 3,977.55, 5,968.26 and 1,605.53 is: 2,409.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.55 : 5,968.26 = 1,605.53 : x
  2. Step 2: Convert to fraction form
    3,977.55/5,968.26 = 1,605.53/x
  3. Step 3: Cross multiply
    3,977.55x = 5,968.26 × 1,605.53
  4. Step 4: Simplify right side
    3,977.55x = 9,582,214.10
  5. Step 5: Solve for x
    x = 9,582,214.10/3,977.55
  6. Step 6: Final answer
    x = 2,409.08

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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.