Home / 3,022.34-4,533.42-1,721

Finding the Fourth Proportional to 3,022.34, 4,533.42 and 1,721

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Solution

The fourth proportional to 3,022.34, 4,533.42 and 1,721 is: 2,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.34 : 4,533.42 = 1,721 : x
  2. Step 2: Convert to fraction form
    3,022.34/4,533.42 = 1,721/x
  3. Step 3: Cross multiply
    3,022.34x = 4,533.42 × 1,721
  4. Step 4: Simplify right side
    3,022.34x = 7,802,015.82
  5. Step 5: Solve for x
    x = 7,802,015.82/3,022.34
  6. Step 6: Final answer
    x = 2,581.45

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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.