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Finding the Fourth Proportional to 2,798.40, 3,863.04 and 2,052.48

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Solution

The fourth proportional to 2,798.40, 3,863.04 and 2,052.48 is: 2,833.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.40 : 3,863.04 = 2,052.48 : x
  2. Step 2: Convert to fraction form
    2,798.40/3,863.04 = 2,052.48/x
  3. Step 3: Cross multiply
    2,798.40x = 3,863.04 × 2,052.48
  4. Step 4: Simplify right side
    2,798.40x = 7,928,812.34
  5. Step 5: Solve for x
    x = 7,928,812.34/2,798.40
  6. Step 6: Final answer
    x = 2,833.34

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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.