Home / 3,621.72-5,430.94-2,526.60

Finding the Fourth Proportional to 3,621.72, 5,430.94 and 2,526.60

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Solution

The fourth proportional to 3,621.72, 5,430.94 and 2,526.60 is: 3,788.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.72 : 5,430.94 = 2,526.60 : x
  2. Step 2: Convert to fraction form
    3,621.72/5,430.94 = 2,526.60/x
  3. Step 3: Cross multiply
    3,621.72x = 5,430.94 × 2,526.60
  4. Step 4: Simplify right side
    3,621.72x = 13,721,813.00
  5. Step 5: Solve for x
    x = 13,721,813.00/3,621.72
  6. Step 6: Final answer
    x = 3,788.76

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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.