Home / 4,012.88-5,538.42-2,440.98

Finding the Fourth Proportional to 4,012.88, 5,538.42 and 2,440.98

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Solution

The fourth proportional to 4,012.88, 5,538.42 and 2,440.98 is: 3,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.88 : 5,538.42 = 2,440.98 : x
  2. Step 2: Convert to fraction form
    4,012.88/5,538.42 = 2,440.98/x
  3. Step 3: Cross multiply
    4,012.88x = 5,538.42 × 2,440.98
  4. Step 4: Simplify right side
    4,012.88x = 13,519,172.45
  5. Step 5: Solve for x
    x = 13,519,172.45/4,012.88
  6. Step 6: Final answer
    x = 3,368.95

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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.