Home / 1,637.27-2,458.37-1,408.65

Finding the Fourth Proportional to 1,637.27, 2,458.37 and 1,408.65

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Solution

The fourth proportional to 1,637.27, 2,458.37 and 1,408.65 is: 2,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.27 : 2,458.37 = 1,408.65 : x
  2. Step 2: Convert to fraction form
    1,637.27/2,458.37 = 1,408.65/x
  3. Step 3: Cross multiply
    1,637.27x = 2,458.37 × 1,408.65
  4. Step 4: Simplify right side
    1,637.27x = 3,462,982.90
  5. Step 5: Solve for x
    x = 3,462,982.90/1,637.27
  6. Step 6: Final answer
    x = 2,115.10

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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.