Home / 3,675.60-5,513.94-1,209.96

Finding the Fourth Proportional to 3,675.60, 5,513.94 and 1,209.96

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Solution

The fourth proportional to 3,675.60, 5,513.94 and 1,209.96 is: 1,815.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.60 : 5,513.94 = 1,209.96 : x
  2. Step 2: Convert to fraction form
    3,675.60/5,513.94 = 1,209.96/x
  3. Step 3: Cross multiply
    3,675.60x = 5,513.94 × 1,209.96
  4. Step 4: Simplify right side
    3,675.60x = 6,671,646.84
  5. Step 5: Solve for x
    x = 6,671,646.84/3,675.60
  6. Step 6: Final answer
    x = 1,815.12

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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.