Home / 2,891.48-4,334.47-2,626.30

Finding the Fourth Proportional to 2,891.48, 4,334.47 and 2,626.30

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Solution

The fourth proportional to 2,891.48, 4,334.47 and 2,626.30 is: 3,936.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.48 : 4,334.47 = 2,626.30 : x
  2. Step 2: Convert to fraction form
    2,891.48/4,334.47 = 2,626.30/x
  3. Step 3: Cross multiply
    2,891.48x = 4,334.47 × 2,626.30
  4. Step 4: Simplify right side
    2,891.48x = 11,383,617.41
  5. Step 5: Solve for x
    x = 11,383,617.41/2,891.48
  6. Step 6: Final answer
    x = 3,936.96

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1.5x scale

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.