Home / 2,428.48-3,643.63-1,455.26

Finding the Fourth Proportional to 2,428.48, 3,643.63 and 1,455.26

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Solution

The fourth proportional to 2,428.48, 3,643.63 and 1,455.26 is: 2,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.48 : 3,643.63 = 1,455.26 : x
  2. Step 2: Convert to fraction form
    2,428.48/3,643.63 = 1,455.26/x
  3. Step 3: Cross multiply
    2,428.48x = 3,643.63 × 1,455.26
  4. Step 4: Simplify right side
    2,428.48x = 5,302,428.99
  5. Step 5: Solve for x
    x = 5,302,428.99/2,428.48
  6. Step 6: Final answer
    x = 2,183.44

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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.