Home / 2,513.63-3,765.54-1,645.31

Finding the Fourth Proportional to 2,513.63, 3,765.54 and 1,645.31

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Solution

The fourth proportional to 2,513.63, 3,765.54 and 1,645.31 is: 2,464.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513.63 : 3,765.54 = 1,645.31 : x
  2. Step 2: Convert to fraction form
    2,513.63/3,765.54 = 1,645.31/x
  3. Step 3: Cross multiply
    2,513.63x = 3,765.54 × 1,645.31
  4. Step 4: Simplify right side
    2,513.63x = 6,195,496.20
  5. Step 5: Solve for x
    x = 6,195,496.20/2,513.63
  6. Step 6: Final answer
    x = 2,464.76

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1.5x scale

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.