Home / 4,115.40-5,675.90-2,622.84

Finding the Fourth Proportional to 4,115.40, 5,675.90 and 2,622.84

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Solution

The fourth proportional to 4,115.40, 5,675.90 and 2,622.84 is: 3,617.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.40 : 5,675.90 = 2,622.84 : x
  2. Step 2: Convert to fraction form
    4,115.40/5,675.90 = 2,622.84/x
  3. Step 3: Cross multiply
    4,115.40x = 5,675.90 × 2,622.84
  4. Step 4: Simplify right side
    4,115.40x = 14,886,977.56
  5. Step 5: Solve for x
    x = 14,886,977.56/4,115.40
  6. Step 6: Final answer
    x = 3,617.38

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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.