Home / 2,461.36-3,399.42-1,908.51

Finding the Fourth Proportional to 2,461.36, 3,399.42 and 1,908.51

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Solution

The fourth proportional to 2,461.36, 3,399.42 and 1,908.51 is: 2,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.36 : 3,399.42 = 1,908.51 : x
  2. Step 2: Convert to fraction form
    2,461.36/3,399.42 = 1,908.51/x
  3. Step 3: Cross multiply
    2,461.36x = 3,399.42 × 1,908.51
  4. Step 4: Simplify right side
    2,461.36x = 6,487,827.06
  5. Step 5: Solve for x
    x = 6,487,827.06/2,461.36
  6. Step 6: Final answer
    x = 2,635.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.