Home / 2,430.06-3,645.36-1,821.48

Finding the Fourth Proportional to 2,430.06, 3,645.36 and 1,821.48

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Solution

The fourth proportional to 2,430.06, 3,645.36 and 1,821.48 is: 2,732.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.06 : 3,645.36 = 1,821.48 : x
  2. Step 2: Convert to fraction form
    2,430.06/3,645.36 = 1,821.48/x
  3. Step 3: Cross multiply
    2,430.06x = 3,645.36 × 1,821.48
  4. Step 4: Simplify right side
    2,430.06x = 6,639,950.33
  5. Step 5: Solve for x
    x = 6,639,950.33/2,430.06
  6. Step 6: Final answer
    x = 2,732.42

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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.