Home / 1,992.95-2,986.26-1,683.35

Finding the Fourth Proportional to 1,992.95, 2,986.26 and 1,683.35

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Solution

The fourth proportional to 1,992.95, 2,986.26 and 1,683.35 is: 2,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992.95 : 2,986.26 = 1,683.35 : x
  2. Step 2: Convert to fraction form
    1,992.95/2,986.26 = 1,683.35/x
  3. Step 3: Cross multiply
    1,992.95x = 2,986.26 × 1,683.35
  4. Step 4: Simplify right side
    1,992.95x = 5,026,920.77
  5. Step 5: Solve for x
    x = 5,026,920.77/1,992.95
  6. Step 6: Final answer
    x = 2,522.35

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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.