Home / 3,804.36-5,248.50-2,812.02

Finding the Fourth Proportional to 3,804.36, 5,248.50 and 2,812.02

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Solution

The fourth proportional to 3,804.36, 5,248.50 and 2,812.02 is: 3,879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.36 : 5,248.50 = 2,812.02 : x
  2. Step 2: Convert to fraction form
    3,804.36/5,248.50 = 2,812.02/x
  3. Step 3: Cross multiply
    3,804.36x = 5,248.50 × 2,812.02
  4. Step 4: Simplify right side
    3,804.36x = 14,758,886.97
  5. Step 5: Solve for x
    x = 14,758,886.97/3,804.36
  6. Step 6: Final answer
    x = 3,879.47

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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.