Home / 2,541.51-3,815.91-1,664.28

Finding the Fourth Proportional to 2,541.51, 3,815.91 and 1,664.28

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Solution

The fourth proportional to 2,541.51, 3,815.91 and 1,664.28 is: 2,498.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.51 : 3,815.91 = 1,664.28 : x
  2. Step 2: Convert to fraction form
    2,541.51/3,815.91 = 1,664.28/x
  3. Step 3: Cross multiply
    2,541.51x = 3,815.91 × 1,664.28
  4. Step 4: Simplify right side
    2,541.51x = 6,350,742.69
  5. Step 5: Solve for x
    x = 6,350,742.69/2,541.51
  6. Step 6: Final answer
    x = 2,498.81

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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.