Home / 3,170.52-4,752.24-1,321.02

Finding the Fourth Proportional to 3,170.52, 4,752.24 and 1,321.02

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Solution

The fourth proportional to 3,170.52, 4,752.24 and 1,321.02 is: 1,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.52 : 4,752.24 = 1,321.02 : x
  2. Step 2: Convert to fraction form
    3,170.52/4,752.24 = 1,321.02/x
  3. Step 3: Cross multiply
    3,170.52x = 4,752.24 × 1,321.02
  4. Step 4: Simplify right side
    3,170.52x = 6,277,804.08
  5. Step 5: Solve for x
    x = 6,277,804.08/3,170.52
  6. Step 6: Final answer
    x = 1,980.06

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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.