Home / 3,615.00-4,988.96-2,198.42

Finding the Fourth Proportional to 3,615.00, 4,988.96 and 2,198.42

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Solution

The fourth proportional to 3,615.00, 4,988.96 and 2,198.42 is: 3,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.00 : 4,988.96 = 2,198.42 : x
  2. Step 2: Convert to fraction form
    3,615.00/4,988.96 = 2,198.42/x
  3. Step 3: Cross multiply
    3,615.00x = 4,988.96 × 2,198.42
  4. Step 4: Simplify right side
    3,615.00x = 10,967,848.52
  5. Step 5: Solve for x
    x = 10,967,848.52/3,615.00
  6. Step 6: Final answer
    x = 3,033.98

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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.