Home / 2,424.87-3,343.77-1,919.91

Finding the Fourth Proportional to 2,424.87, 3,343.77 and 1,919.91

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Solution

The fourth proportional to 2,424.87, 3,343.77 and 1,919.91 is: 2,647.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.87 : 3,343.77 = 1,919.91 : x
  2. Step 2: Convert to fraction form
    2,424.87/3,343.77 = 1,919.91/x
  3. Step 3: Cross multiply
    2,424.87x = 3,343.77 × 1,919.91
  4. Step 4: Simplify right side
    2,424.87x = 6,419,737.46
  5. Step 5: Solve for x
    x = 6,419,737.46/2,424.87
  6. Step 6: Final answer
    x = 2,647.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.