Home / 2,792.16-3,852-1,743.84

Finding the Fourth Proportional to 2,792.16, 3,852 and 1,743.84

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Solution

The fourth proportional to 2,792.16, 3,852 and 1,743.84 is: 2,405.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.16 : 3,852 = 1,743.84 : x
  2. Step 2: Convert to fraction form
    2,792.16/3,852 = 1,743.84/x
  3. Step 3: Cross multiply
    2,792.16x = 3,852 × 1,743.84
  4. Step 4: Simplify right side
    2,792.16x = 6,717,271.68
  5. Step 5: Solve for x
    x = 6,717,271.68/2,792.16
  6. Step 6: Final answer
    x = 2,405.76

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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.