Home / 4,240.24-6,361.32-1,643.92

Finding the Fourth Proportional to 4,240.24, 6,361.32 and 1,643.92

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Solution

The fourth proportional to 4,240.24, 6,361.32 and 1,643.92 is: 2,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.24 : 6,361.32 = 1,643.92 : x
  2. Step 2: Convert to fraction form
    4,240.24/6,361.32 = 1,643.92/x
  3. Step 3: Cross multiply
    4,240.24x = 6,361.32 × 1,643.92
  4. Step 4: Simplify right side
    4,240.24x = 10,457,501.17
  5. Step 5: Solve for x
    x = 10,457,501.17/4,240.24
  6. Step 6: Final answer
    x = 2,466.25

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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.