Home / 3,615.41-5,419.47-1,668.98

Finding the Fourth Proportional to 3,615.41, 5,419.47 and 1,668.98

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Solution

The fourth proportional to 3,615.41, 5,419.47 and 1,668.98 is: 2,501.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.41 : 5,419.47 = 1,668.98 : x
  2. Step 2: Convert to fraction form
    3,615.41/5,419.47 = 1,668.98/x
  3. Step 3: Cross multiply
    3,615.41x = 5,419.47 × 1,668.98
  4. Step 4: Simplify right side
    3,615.41x = 9,044,987.04
  5. Step 5: Solve for x
    x = 9,044,987.04/3,615.41
  6. Step 6: Final answer
    x = 2,501.79

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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.