Home / 3,133.15-4,323.11-1,806.50

Finding the Fourth Proportional to 3,133.15, 4,323.11 and 1,806.50

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Solution

The fourth proportional to 3,133.15, 4,323.11 and 1,806.50 is: 2,492.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.15 : 4,323.11 = 1,806.50 : x
  2. Step 2: Convert to fraction form
    3,133.15/4,323.11 = 1,806.50/x
  3. Step 3: Cross multiply
    3,133.15x = 4,323.11 × 1,806.50
  4. Step 4: Simplify right side
    3,133.15x = 7,809,699.99
  5. Step 5: Solve for x
    x = 7,809,699.99/3,133.15
  6. Step 6: Final answer
    x = 2,492.61

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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.