Home / 2,675.55-4,021.53-2,618.14

Finding the Fourth Proportional to 2,675.55, 4,021.53 and 2,618.14

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Solution

The fourth proportional to 2,675.55, 4,021.53 and 2,618.14 is: 3,935.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.55 : 4,021.53 = 2,618.14 : x
  2. Step 2: Convert to fraction form
    2,675.55/4,021.53 = 2,618.14/x
  3. Step 3: Cross multiply
    2,675.55x = 4,021.53 × 2,618.14
  4. Step 4: Simplify right side
    2,675.55x = 10,528,928.55
  5. Step 5: Solve for x
    x = 10,528,928.55/2,675.55
  6. Step 6: Final answer
    x = 3,935.24

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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.