Home / 2,804.10-3,869.57-1,609.28

Finding the Fourth Proportional to 2,804.10, 3,869.57 and 1,609.28

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Solution

The fourth proportional to 2,804.10, 3,869.57 and 1,609.28 is: 2,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.10 : 3,869.57 = 1,609.28 : x
  2. Step 2: Convert to fraction form
    2,804.10/3,869.57 = 1,609.28/x
  3. Step 3: Cross multiply
    2,804.10x = 3,869.57 × 1,609.28
  4. Step 4: Simplify right side
    2,804.10x = 6,227,235.31
  5. Step 5: Solve for x
    x = 6,227,235.31/2,804.10
  6. Step 6: Final answer
    x = 2,220.76

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1.5x scale

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.