Home / 3,778.02-5,668.58-1,696.62

Finding the Fourth Proportional to 3,778.02, 5,668.58 and 1,696.62

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Solution

The fourth proportional to 3,778.02, 5,668.58 and 1,696.62 is: 2,545.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.02 : 5,668.58 = 1,696.62 : x
  2. Step 2: Convert to fraction form
    3,778.02/5,668.58 = 1,696.62/x
  3. Step 3: Cross multiply
    3,778.02x = 5,668.58 × 1,696.62
  4. Step 4: Simplify right side
    3,778.02x = 9,617,417.72
  5. Step 5: Solve for x
    x = 9,617,417.72/3,778.02
  6. Step 6: Final answer
    x = 2,545.62

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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.