Home / 3,177.02-4,386.42-1,983.83

Finding the Fourth Proportional to 3,177.02, 4,386.42 and 1,983.83

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Solution

The fourth proportional to 3,177.02, 4,386.42 and 1,983.83 is: 2,739.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.02 : 4,386.42 = 1,983.83 : x
  2. Step 2: Convert to fraction form
    3,177.02/4,386.42 = 1,983.83/x
  3. Step 3: Cross multiply
    3,177.02x = 4,386.42 × 1,983.83
  4. Step 4: Simplify right side
    3,177.02x = 8,701,889.66
  5. Step 5: Solve for x
    x = 8,701,889.66/3,177.02
  6. Step 6: Final answer
    x = 2,739.01

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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.