Home / 3,256.22-4,495.81-2,078.88

Finding the Fourth Proportional to 3,256.22, 4,495.81 and 2,078.88

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Solution

The fourth proportional to 3,256.22, 4,495.81 and 2,078.88 is: 2,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.22 : 4,495.81 = 2,078.88 : x
  2. Step 2: Convert to fraction form
    3,256.22/4,495.81 = 2,078.88/x
  3. Step 3: Cross multiply
    3,256.22x = 4,495.81 × 2,078.88
  4. Step 4: Simplify right side
    3,256.22x = 9,346,249.49
  5. Step 5: Solve for x
    x = 9,346,249.49/3,256.22
  6. Step 6: Final answer
    x = 2,870.28

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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.