Home / 3,629.40-5,440.38-2,459.51

Finding the Fourth Proportional to 3,629.40, 5,440.38 and 2,459.51

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Solution

The fourth proportional to 3,629.40, 5,440.38 and 2,459.51 is: 3,686.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.40 : 5,440.38 = 2,459.51 : x
  2. Step 2: Convert to fraction form
    3,629.40/5,440.38 = 2,459.51/x
  3. Step 3: Cross multiply
    3,629.40x = 5,440.38 × 2,459.51
  4. Step 4: Simplify right side
    3,629.40x = 13,380,669.01
  5. Step 5: Solve for x
    x = 13,380,669.01/3,629.40
  6. Step 6: Final answer
    x = 3,686.74

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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.