Home / 3,551.76-5,328.54-2,513.79

Finding the Fourth Proportional to 3,551.76, 5,328.54 and 2,513.79

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Solution

The fourth proportional to 3,551.76, 5,328.54 and 2,513.79 is: 3,771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.76 : 5,328.54 = 2,513.79 : x
  2. Step 2: Convert to fraction form
    3,551.76/5,328.54 = 2,513.79/x
  3. Step 3: Cross multiply
    3,551.76x = 5,328.54 × 2,513.79
  4. Step 4: Simplify right side
    3,551.76x = 13,394,830.57
  5. Step 5: Solve for x
    x = 13,394,830.57/3,551.76
  6. Step 6: Final answer
    x = 3,771.32

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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.