Home / 1,612.20-2,418.48-571.98

Finding the Fourth Proportional to 1,612.20, 2,418.48 and 571.98

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Solution

The fourth proportional to 1,612.20, 2,418.48 and 571.98 is: 858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.20 : 2,418.48 = 571.98 : x
  2. Step 2: Convert to fraction form
    1,612.20/2,418.48 = 571.98/x
  3. Step 3: Cross multiply
    1,612.20x = 2,418.48 × 571.98
  4. Step 4: Simplify right side
    1,612.20x = 1,383,322.19
  5. Step 5: Solve for x
    x = 1,383,322.19/1,612.20
  6. Step 6: Final answer
    x = 858.03

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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.