Home / 1,821.24-2,730.84-588.36

Finding the Fourth Proportional to 1,821.24, 2,730.84 and 588.36

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Solution

The fourth proportional to 1,821.24, 2,730.84 and 588.36 is: 882.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821.24 : 2,730.84 = 588.36 : x
  2. Step 2: Convert to fraction form
    1,821.24/2,730.84 = 588.36/x
  3. Step 3: Cross multiply
    1,821.24x = 2,730.84 × 588.36
  4. Step 4: Simplify right side
    1,821.24x = 1,606,717.02
  5. Step 5: Solve for x
    x = 1,606,717.02/1,821.24
  6. Step 6: Final answer
    x = 882.21

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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.