Home / 3,718.85-5,132.02-2,040.27

Finding the Fourth Proportional to 3,718.85, 5,132.02 and 2,040.27

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Solution

The fourth proportional to 3,718.85, 5,132.02 and 2,040.27 is: 2,815.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.85 : 5,132.02 = 2,040.27 : x
  2. Step 2: Convert to fraction form
    3,718.85/5,132.02 = 2,040.27/x
  3. Step 3: Cross multiply
    3,718.85x = 5,132.02 × 2,040.27
  4. Step 4: Simplify right side
    3,718.85x = 10,470,706.45
  5. Step 5: Solve for x
    x = 10,470,706.45/3,718.85
  6. Step 6: Final answer
    x = 2,815.58

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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.