Home / 2,804.41-3,868.61-2,140.10

Finding the Fourth Proportional to 2,804.41, 3,868.61 and 2,140.10

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Solution

The fourth proportional to 2,804.41, 3,868.61 and 2,140.10 is: 2,952.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.41 : 3,868.61 = 2,140.10 : x
  2. Step 2: Convert to fraction form
    2,804.41/3,868.61 = 2,140.10/x
  3. Step 3: Cross multiply
    2,804.41x = 3,868.61 × 2,140.10
  4. Step 4: Simplify right side
    2,804.41x = 8,279,230.52
  5. Step 5: Solve for x
    x = 8,279,230.52/2,804.41
  6. Step 6: Final answer
    x = 2,952.22

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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.