Home / 3,639.84-5,460.54-1,299.96

Finding the Fourth Proportional to 3,639.84, 5,460.54 and 1,299.96

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Solution

The fourth proportional to 3,639.84, 5,460.54 and 1,299.96 is: 1,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.84 : 5,460.54 = 1,299.96 : x
  2. Step 2: Convert to fraction form
    3,639.84/5,460.54 = 1,299.96/x
  3. Step 3: Cross multiply
    3,639.84x = 5,460.54 × 1,299.96
  4. Step 4: Simplify right side
    3,639.84x = 7,098,483.58
  5. Step 5: Solve for x
    x = 7,098,483.58/3,639.84
  6. Step 6: Final answer
    x = 1,950.22

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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.