Home / 3,076.02-4,243.59-1,956.60

Finding the Fourth Proportional to 3,076.02, 4,243.59 and 1,956.60

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Solution

The fourth proportional to 3,076.02, 4,243.59 and 1,956.60 is: 2,699.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.02 : 4,243.59 = 1,956.60 : x
  2. Step 2: Convert to fraction form
    3,076.02/4,243.59 = 1,956.60/x
  3. Step 3: Cross multiply
    3,076.02x = 4,243.59 × 1,956.60
  4. Step 4: Simplify right side
    3,076.02x = 8,303,008.19
  5. Step 5: Solve for x
    x = 8,303,008.19/3,076.02
  6. Step 6: Final answer
    x = 2,699.27

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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.