Home / 3,130.06-4,316.80-2,067.87

Finding the Fourth Proportional to 3,130.06, 4,316.80 and 2,067.87

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Solution

The fourth proportional to 3,130.06, 4,316.80 and 2,067.87 is: 2,851.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.06 : 4,316.80 = 2,067.87 : x
  2. Step 2: Convert to fraction form
    3,130.06/4,316.80 = 2,067.87/x
  3. Step 3: Cross multiply
    3,130.06x = 4,316.80 × 2,067.87
  4. Step 4: Simplify right side
    3,130.06x = 8,926,583.86
  5. Step 5: Solve for x
    x = 8,926,583.86/3,130.06
  6. Step 6: Final answer
    x = 2,851.89

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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.