Home / 3,005.58-4,138.92-2,563.32

Finding the Fourth Proportional to 3,005.58, 4,138.92 and 2,563.32

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Solution

The fourth proportional to 3,005.58, 4,138.92 and 2,563.32 is: 3,529.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.58 : 4,138.92 = 2,563.32 : x
  2. Step 2: Convert to fraction form
    3,005.58/4,138.92 = 2,563.32/x
  3. Step 3: Cross multiply
    3,005.58x = 4,138.92 × 2,563.32
  4. Step 4: Simplify right side
    3,005.58x = 10,609,376.41
  5. Step 5: Solve for x
    x = 10,609,376.41/3,005.58
  6. Step 6: Final answer
    x = 3,529.89

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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.