Home / 3,132.88-4,323.18-1,806.37

Finding the Fourth Proportional to 3,132.88, 4,323.18 and 1,806.37

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Solution

The fourth proportional to 3,132.88, 4,323.18 and 1,806.37 is: 2,492.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.88 : 4,323.18 = 1,806.37 : x
  2. Step 2: Convert to fraction form
    3,132.88/4,323.18 = 1,806.37/x
  3. Step 3: Cross multiply
    3,132.88x = 4,323.18 × 1,806.37
  4. Step 4: Simplify right side
    3,132.88x = 7,809,262.66
  5. Step 5: Solve for x
    x = 7,809,262.66/3,132.88
  6. Step 6: Final answer
    x = 2,492.68

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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.