Home / 2,792.45-3,852.35-1,729.93

Finding the Fourth Proportional to 2,792.45, 3,852.35 and 1,729.93

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Solution

The fourth proportional to 2,792.45, 3,852.35 and 1,729.93 is: 2,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.45 : 3,852.35 = 1,729.93 : x
  2. Step 2: Convert to fraction form
    2,792.45/3,852.35 = 1,729.93/x
  3. Step 3: Cross multiply
    2,792.45x = 3,852.35 × 1,729.93
  4. Step 4: Simplify right side
    2,792.45x = 6,664,277.55
  5. Step 5: Solve for x
    x = 6,664,277.55/2,792.45
  6. Step 6: Final answer
    x = 2,386.54

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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.