Home / 3,430.30-5,141.40-2,563.60

Finding the Fourth Proportional to 3,430.30, 5,141.40 and 2,563.60

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Solution

The fourth proportional to 3,430.30, 5,141.40 and 2,563.60 is: 3,842.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.30 : 5,141.40 = 2,563.60 : x
  2. Step 2: Convert to fraction form
    3,430.30/5,141.40 = 2,563.60/x
  3. Step 3: Cross multiply
    3,430.30x = 5,141.40 × 2,563.60
  4. Step 4: Simplify right side
    3,430.30x = 13,180,493.04
  5. Step 5: Solve for x
    x = 13,180,493.04/3,430.30
  6. Step 6: Final answer
    x = 3,842.37

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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.