Home / 2,621.36-3,935.96-2,271.04

Finding the Fourth Proportional to 2,621.36, 3,935.96 and 2,271.04

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Solution

The fourth proportional to 2,621.36, 3,935.96 and 2,271.04 is: 3,409.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.36 : 3,935.96 = 2,271.04 : x
  2. Step 2: Convert to fraction form
    2,621.36/3,935.96 = 2,271.04/x
  3. Step 3: Cross multiply
    2,621.36x = 3,935.96 × 2,271.04
  4. Step 4: Simplify right side
    2,621.36x = 8,938,722.60
  5. Step 5: Solve for x
    x = 8,938,722.60/2,621.36
  6. Step 6: Final answer
    x = 3,409.96

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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.