Home / 3,660.61-5,050.02-2,167.51

Finding the Fourth Proportional to 3,660.61, 5,050.02 and 2,167.51

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Solution

The fourth proportional to 3,660.61, 5,050.02 and 2,167.51 is: 2,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.61 : 5,050.02 = 2,167.51 : x
  2. Step 2: Convert to fraction form
    3,660.61/5,050.02 = 2,167.51/x
  3. Step 3: Cross multiply
    3,660.61x = 5,050.02 × 2,167.51
  4. Step 4: Simplify right side
    3,660.61x = 10,945,968.85
  5. Step 5: Solve for x
    x = 10,945,968.85/3,660.61
  6. Step 6: Final answer
    x = 2,990.20

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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.