Home / 3,133.30-4,323.69-1,788.90

Finding the Fourth Proportional to 3,133.30, 4,323.69 and 1,788.90

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Solution

The fourth proportional to 3,133.30, 4,323.69 and 1,788.90 is: 2,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.30 : 4,323.69 = 1,788.90 : x
  2. Step 2: Convert to fraction form
    3,133.30/4,323.69 = 1,788.90/x
  3. Step 3: Cross multiply
    3,133.30x = 4,323.69 × 1,788.90
  4. Step 4: Simplify right side
    3,133.30x = 7,734,640.10
  5. Step 5: Solve for x
    x = 7,734,640.10/3,133.30
  6. Step 6: Final answer
    x = 2,468.53

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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.