Home / 1,871.30-2,804.50-1,353.04

Finding the Fourth Proportional to 1,871.30, 2,804.50 and 1,353.04

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Solution

The fourth proportional to 1,871.30, 2,804.50 and 1,353.04 is: 2,027.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871.30 : 2,804.50 = 1,353.04 : x
  2. Step 2: Convert to fraction form
    1,871.30/2,804.50 = 1,353.04/x
  3. Step 3: Cross multiply
    1,871.30x = 2,804.50 × 1,353.04
  4. Step 4: Simplify right side
    1,871.30x = 3,794,600.68
  5. Step 5: Solve for x
    x = 3,794,600.68/1,871.30
  6. Step 6: Final answer
    x = 2,027.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.