Home / 2,713.98-4,074.40-2,603.28

Finding the Fourth Proportional to 2,713.98, 4,074.40 and 2,603.28

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Solution

The fourth proportional to 2,713.98, 4,074.40 and 2,603.28 is: 3,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713.98 : 4,074.40 = 2,603.28 : x
  2. Step 2: Convert to fraction form
    2,713.98/4,074.40 = 2,603.28/x
  3. Step 3: Cross multiply
    2,713.98x = 4,074.40 × 2,603.28
  4. Step 4: Simplify right side
    2,713.98x = 10,606,804.03
  5. Step 5: Solve for x
    x = 10,606,804.03/2,713.98
  6. Step 6: Final answer
    x = 3,908.21

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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.