Home / 4,188.87-5,780.39-2,300.09

Finding the Fourth Proportional to 4,188.87, 5,780.39 and 2,300.09

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Solution

The fourth proportional to 4,188.87, 5,780.39 and 2,300.09 is: 3,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.87 : 5,780.39 = 2,300.09 : x
  2. Step 2: Convert to fraction form
    4,188.87/5,780.39 = 2,300.09/x
  3. Step 3: Cross multiply
    4,188.87x = 5,780.39 × 2,300.09
  4. Step 4: Simplify right side
    4,188.87x = 13,295,376.83
  5. Step 5: Solve for x
    x = 13,295,376.83/4,188.87
  6. Step 6: Final answer
    x = 3,173.98

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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.