Home / 2,320.02-3,481.14-1,021.32

Finding the Fourth Proportional to 2,320.02, 3,481.14 and 1,021.32

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Solution

The fourth proportional to 2,320.02, 3,481.14 and 1,021.32 is: 1,532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.02 : 3,481.14 = 1,021.32 : x
  2. Step 2: Convert to fraction form
    2,320.02/3,481.14 = 1,021.32/x
  3. Step 3: Cross multiply
    2,320.02x = 3,481.14 × 1,021.32
  4. Step 4: Simplify right side
    2,320.02x = 3,555,357.90
  5. Step 5: Solve for x
    x = 3,555,357.90/2,320.02
  6. Step 6: Final answer
    x = 1,532.47

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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.