Home / 3,483.06-4,806.62-1,991.80

Finding the Fourth Proportional to 3,483.06, 4,806.62 and 1,991.80

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Solution

The fourth proportional to 3,483.06, 4,806.62 and 1,991.80 is: 2,748.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.06 : 4,806.62 = 1,991.80 : x
  2. Step 2: Convert to fraction form
    3,483.06/4,806.62 = 1,991.80/x
  3. Step 3: Cross multiply
    3,483.06x = 4,806.62 × 1,991.80
  4. Step 4: Simplify right side
    3,483.06x = 9,573,803.74
  5. Step 5: Solve for x
    x = 9,573,803.74/3,483.06
  6. Step 6: Final answer
    x = 2,748.68

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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.