Home / 2,919.89-4,361.77-2,626.94

Finding the Fourth Proportional to 2,919.89, 4,361.77 and 2,626.94

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Solution

The fourth proportional to 2,919.89, 4,361.77 and 2,626.94 is: 3,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.89 : 4,361.77 = 2,626.94 : x
  2. Step 2: Convert to fraction form
    2,919.89/4,361.77 = 2,626.94/x
  3. Step 3: Cross multiply
    2,919.89x = 4,361.77 × 2,626.94
  4. Step 4: Simplify right side
    2,919.89x = 11,458,108.08
  5. Step 5: Solve for x
    x = 11,458,108.08/2,919.89
  6. Step 6: Final answer
    x = 3,924.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.