Home / 3,526.63-5,291.31-2,609.91

Finding the Fourth Proportional to 3,526.63, 5,291.31 and 2,609.91

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Solution

The fourth proportional to 3,526.63, 5,291.31 and 2,609.91 is: 3,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.63 : 5,291.31 = 2,609.91 : x
  2. Step 2: Convert to fraction form
    3,526.63/5,291.31 = 2,609.91/x
  3. Step 3: Cross multiply
    3,526.63x = 5,291.31 × 2,609.91
  4. Step 4: Simplify right side
    3,526.63x = 13,809,842.88
  5. Step 5: Solve for x
    x = 13,809,842.88/3,526.63
  6. Step 6: Final answer
    x = 3,915.88

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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.