Home / 3,919.02-5,878.68-1,727.25

Finding the Fourth Proportional to 3,919.02, 5,878.68 and 1,727.25

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Solution

The fourth proportional to 3,919.02, 5,878.68 and 1,727.25 is: 2,590.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.02 : 5,878.68 = 1,727.25 : x
  2. Step 2: Convert to fraction form
    3,919.02/5,878.68 = 1,727.25/x
  3. Step 3: Cross multiply
    3,919.02x = 5,878.68 × 1,727.25
  4. Step 4: Simplify right side
    3,919.02x = 10,153,950.03
  5. Step 5: Solve for x
    x = 10,153,950.03/3,919.02
  6. Step 6: Final answer
    x = 2,590.94

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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.