Home / 2,428.61-3,643.83-1,455.41

Finding the Fourth Proportional to 2,428.61, 3,643.83 and 1,455.41

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Solution

The fourth proportional to 2,428.61, 3,643.83 and 1,455.41 is: 2,183.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.61 : 3,643.83 = 1,455.41 : x
  2. Step 2: Convert to fraction form
    2,428.61/3,643.83 = 1,455.41/x
  3. Step 3: Cross multiply
    2,428.61x = 3,643.83 × 1,455.41
  4. Step 4: Simplify right side
    2,428.61x = 5,303,266.62
  5. Step 5: Solve for x
    x = 5,303,266.62/2,428.61
  6. Step 6: Final answer
    x = 2,183.66

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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.