Home / 2,690.02-3,706.77-1,942.66

Finding the Fourth Proportional to 2,690.02, 3,706.77 and 1,942.66

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Solution

The fourth proportional to 2,690.02, 3,706.77 and 1,942.66 is: 2,676.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.02 : 3,706.77 = 1,942.66 : x
  2. Step 2: Convert to fraction form
    2,690.02/3,706.77 = 1,942.66/x
  3. Step 3: Cross multiply
    2,690.02x = 3,706.77 × 1,942.66
  4. Step 4: Simplify right side
    2,690.02x = 7,200,993.81
  5. Step 5: Solve for x
    x = 7,200,993.81/2,690.02
  6. Step 6: Final answer
    x = 2,676.93

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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.