Home / 2,804.18-3,868.90-1,625.02

Finding the Fourth Proportional to 2,804.18, 3,868.90 and 1,625.02

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Solution

The fourth proportional to 2,804.18, 3,868.90 and 1,625.02 is: 2,242.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.18 : 3,868.90 = 1,625.02 : x
  2. Step 2: Convert to fraction form
    2,804.18/3,868.90 = 1,625.02/x
  3. Step 3: Cross multiply
    2,804.18x = 3,868.90 × 1,625.02
  4. Step 4: Simplify right side
    2,804.18x = 6,287,039.88
  5. Step 5: Solve for x
    x = 6,287,039.88/2,804.18
  6. Step 6: Final answer
    x = 2,242.02

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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.