Home / 3,379.70-4,667.55-2,585.90

Finding the Fourth Proportional to 3,379.70, 4,667.55 and 2,585.90

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Solution

The fourth proportional to 3,379.70, 4,667.55 and 2,585.90 is: 3,571.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.70 : 4,667.55 = 2,585.90 : x
  2. Step 2: Convert to fraction form
    3,379.70/4,667.55 = 2,585.90/x
  3. Step 3: Cross multiply
    3,379.70x = 4,667.55 × 2,585.90
  4. Step 4: Simplify right side
    3,379.70x = 12,069,817.55
  5. Step 5: Solve for x
    x = 12,069,817.55/3,379.70
  6. Step 6: Final answer
    x = 3,571.27

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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.