Home / 3,401.06-5,102.69-1,668.47

Finding the Fourth Proportional to 3,401.06, 5,102.69 and 1,668.47

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Solution

The fourth proportional to 3,401.06, 5,102.69 and 1,668.47 is: 2,503.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.06 : 5,102.69 = 1,668.47 : x
  2. Step 2: Convert to fraction form
    3,401.06/5,102.69 = 1,668.47/x
  3. Step 3: Cross multiply
    3,401.06x = 5,102.69 × 1,668.47
  4. Step 4: Simplify right side
    3,401.06x = 8,513,678.81
  5. Step 5: Solve for x
    x = 8,513,678.81/3,401.06
  6. Step 6: Final answer
    x = 2,503.24

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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.