Home / 3,101.30-4,652.24-1,021.32

Finding the Fourth Proportional to 3,101.30, 4,652.24 and 1,021.32

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Solution

The fourth proportional to 3,101.30, 4,652.24 and 1,021.32 is: 1,532.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.30 : 4,652.24 = 1,021.32 : x
  2. Step 2: Convert to fraction form
    3,101.30/4,652.24 = 1,021.32/x
  3. Step 3: Cross multiply
    3,101.30x = 4,652.24 × 1,021.32
  4. Step 4: Simplify right side
    3,101.30x = 4,751,425.76
  5. Step 5: Solve for x
    x = 4,751,425.76/3,101.30
  6. Step 6: Final answer
    x = 1,532.08

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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.