Home / 3,188.58-4,389.04-2,767.24

Finding the Fourth Proportional to 3,188.58, 4,389.04 and 2,767.24

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Solution

The fourth proportional to 3,188.58, 4,389.04 and 2,767.24 is: 3,809.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.58 : 4,389.04 = 2,767.24 : x
  2. Step 2: Convert to fraction form
    3,188.58/4,389.04 = 2,767.24/x
  3. Step 3: Cross multiply
    3,188.58x = 4,389.04 × 2,767.24
  4. Step 4: Simplify right side
    3,188.58x = 12,145,508.09
  5. Step 5: Solve for x
    x = 12,145,508.09/3,188.58
  6. Step 6: Final answer
    x = 3,809.07

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1.5x scale

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.