Home / 3,913.02-5,867.34-2,681.82

Finding the Fourth Proportional to 3,913.02, 5,867.34 and 2,681.82

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Solution

The fourth proportional to 3,913.02, 5,867.34 and 2,681.82 is: 4,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.02 : 5,867.34 = 2,681.82 : x
  2. Step 2: Convert to fraction form
    3,913.02/5,867.34 = 2,681.82/x
  3. Step 3: Cross multiply
    3,913.02x = 5,867.34 × 2,681.82
  4. Step 4: Simplify right side
    3,913.02x = 15,735,149.76
  5. Step 5: Solve for x
    x = 15,735,149.76/3,913.02
  6. Step 6: Final answer
    x = 4,021.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.