Home / 2,783.92-3,842.56-1,735.36

Finding the Fourth Proportional to 2,783.92, 3,842.56 and 1,735.36

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Solution

The fourth proportional to 2,783.92, 3,842.56 and 1,735.36 is: 2,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.92 : 3,842.56 = 1,735.36 : x
  2. Step 2: Convert to fraction form
    2,783.92/3,842.56 = 1,735.36/x
  3. Step 3: Cross multiply
    2,783.92x = 3,842.56 × 1,735.36
  4. Step 4: Simplify right side
    2,783.92x = 6,668,224.92
  5. Step 5: Solve for x
    x = 6,668,224.92/2,783.92
  6. Step 6: Final answer
    x = 2,395.26

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1.5x scale

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.