Home / 4,185.40-6,277.70-1,720.52

Finding the Fourth Proportional to 4,185.40, 6,277.70 and 1,720.52

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Solution

The fourth proportional to 4,185.40, 6,277.70 and 1,720.52 is: 2,580.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.40 : 6,277.70 = 1,720.52 : x
  2. Step 2: Convert to fraction form
    4,185.40/6,277.70 = 1,720.52/x
  3. Step 3: Cross multiply
    4,185.40x = 6,277.70 × 1,720.52
  4. Step 4: Simplify right side
    4,185.40x = 10,800,908.40
  5. Step 5: Solve for x
    x = 10,800,908.40/4,185.40
  6. Step 6: Final answer
    x = 2,580.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.