Home / 2,393.20-3,584.04-1,621.36

Finding the Fourth Proportional to 2,393.20, 3,584.04 and 1,621.36

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Solution

The fourth proportional to 2,393.20, 3,584.04 and 1,621.36 is: 2,428.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,393.20 : 3,584.04 = 1,621.36 : x
  2. Step 2: Convert to fraction form
    2,393.20/3,584.04 = 1,621.36/x
  3. Step 3: Cross multiply
    2,393.20x = 3,584.04 × 1,621.36
  4. Step 4: Simplify right side
    2,393.20x = 5,811,019.09
  5. Step 5: Solve for x
    x = 5,811,019.09/2,393.20
  6. Step 6: Final answer
    x = 2,428.14

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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.