Home / 1,637.38-2,457.78-1,443.64

Finding the Fourth Proportional to 1,637.38, 2,457.78 and 1,443.64

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Solution

The fourth proportional to 1,637.38, 2,457.78 and 1,443.64 is: 2,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.38 : 2,457.78 = 1,443.64 : x
  2. Step 2: Convert to fraction form
    1,637.38/2,457.78 = 1,443.64/x
  3. Step 3: Cross multiply
    1,637.38x = 2,457.78 × 1,443.64
  4. Step 4: Simplify right side
    1,637.38x = 3,548,143.37
  5. Step 5: Solve for x
    x = 3,548,143.37/1,637.38
  6. Step 6: Final answer
    x = 2,166.97

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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.