Home / 3,483.58-4,806.99-1,991.47

Finding the Fourth Proportional to 3,483.58, 4,806.99 and 1,991.47

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Solution

The fourth proportional to 3,483.58, 4,806.99 and 1,991.47 is: 2,748.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.58 : 4,806.99 = 1,991.47 : x
  2. Step 2: Convert to fraction form
    3,483.58/4,806.99 = 1,991.47/x
  3. Step 3: Cross multiply
    3,483.58x = 4,806.99 × 1,991.47
  4. Step 4: Simplify right side
    3,483.58x = 9,572,976.38
  5. Step 5: Solve for x
    x = 9,572,976.38/3,483.58
  6. Step 6: Final answer
    x = 2,748.03

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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.