Home / 3,528.63-5,294.31-2,611.92

Finding the Fourth Proportional to 3,528.63, 5,294.31 and 2,611.92

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Solution

The fourth proportional to 3,528.63, 5,294.31 and 2,611.92 is: 3,918.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.63 : 5,294.31 = 2,611.92 : x
  2. Step 2: Convert to fraction form
    3,528.63/5,294.31 = 2,611.92/x
  3. Step 3: Cross multiply
    3,528.63x = 5,294.31 × 2,611.92
  4. Step 4: Simplify right side
    3,528.63x = 13,828,314.18
  5. Step 5: Solve for x
    x = 13,828,314.18/3,528.63
  6. Step 6: Final answer
    x = 3,918.89

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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.