Home / 3,172.83-4,755.59-1,322.99

Finding the Fourth Proportional to 3,172.83, 4,755.59 and 1,322.99

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Solution

The fourth proportional to 3,172.83, 4,755.59 and 1,322.99 is: 1,982.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.83 : 4,755.59 = 1,322.99 : x
  2. Step 2: Convert to fraction form
    3,172.83/4,755.59 = 1,322.99/x
  3. Step 3: Cross multiply
    3,172.83x = 4,755.59 × 1,322.99
  4. Step 4: Simplify right side
    3,172.83x = 6,291,598.01
  5. Step 5: Solve for x
    x = 6,291,598.01/3,172.83
  6. Step 6: Final answer
    x = 1,982.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.