Home / 2,313.64-3,464.88-1,621

Finding the Fourth Proportional to 2,313.64, 3,464.88 and 1,621

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Solution

The fourth proportional to 2,313.64, 3,464.88 and 1,621 is: 2,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.64 : 3,464.88 = 1,621 : x
  2. Step 2: Convert to fraction form
    2,313.64/3,464.88 = 1,621/x
  3. Step 3: Cross multiply
    2,313.64x = 3,464.88 × 1,621
  4. Step 4: Simplify right side
    2,313.64x = 5,616,570.48
  5. Step 5: Solve for x
    x = 5,616,570.48/2,313.64
  6. Step 6: Final answer
    x = 2,427.59

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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.