Home / 3,668.54-5,063.40-2,870.28

Finding the Fourth Proportional to 3,668.54, 5,063.40 and 2,870.28

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Solution

The fourth proportional to 3,668.54, 5,063.40 and 2,870.28 is: 3,961.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.54 : 5,063.40 = 2,870.28 : x
  2. Step 2: Convert to fraction form
    3,668.54/5,063.40 = 2,870.28/x
  3. Step 3: Cross multiply
    3,668.54x = 5,063.40 × 2,870.28
  4. Step 4: Simplify right side
    3,668.54x = 14,533,375.75
  5. Step 5: Solve for x
    x = 14,533,375.75/3,668.54
  6. Step 6: Final answer
    x = 3,961.63

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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.