Home / 3,677.56-5,515.60-1,802.65

Finding the Fourth Proportional to 3,677.56, 5,515.60 and 1,802.65

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Solution

The fourth proportional to 3,677.56, 5,515.60 and 1,802.65 is: 2,703.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.56 : 5,515.60 = 1,802.65 : x
  2. Step 2: Convert to fraction form
    3,677.56/5,515.60 = 1,802.65/x
  3. Step 3: Cross multiply
    3,677.56x = 5,515.60 × 1,802.65
  4. Step 4: Simplify right side
    3,677.56x = 9,942,696.34
  5. Step 5: Solve for x
    x = 9,942,696.34/3,677.56
  6. Step 6: Final answer
    x = 2,703.61

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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.