Home / 1,637.28-2,455.92-404.69

Finding the Fourth Proportional to 1,637.28, 2,455.92 and 404.69

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Solution

The fourth proportional to 1,637.28, 2,455.92 and 404.69 is: 607.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.28 : 2,455.92 = 404.69 : x
  2. Step 2: Convert to fraction form
    1,637.28/2,455.92 = 404.69/x
  3. Step 3: Cross multiply
    1,637.28x = 2,455.92 × 404.69
  4. Step 4: Simplify right side
    1,637.28x = 993,873.99
  5. Step 5: Solve for x
    x = 993,873.99/1,637.28
  6. Step 6: Final answer
    x = 607.03

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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.