Home / 3,669.29-5,491.63-3,620.08

Finding the Fourth Proportional to 3,669.29, 5,491.63 and 3,620.08

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Solution

The fourth proportional to 3,669.29, 5,491.63 and 3,620.08 is: 5,417.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.29 : 5,491.63 = 3,620.08 : x
  2. Step 2: Convert to fraction form
    3,669.29/5,491.63 = 3,620.08/x
  3. Step 3: Cross multiply
    3,669.29x = 5,491.63 × 3,620.08
  4. Step 4: Simplify right side
    3,669.29x = 19,880,139.93
  5. Step 5: Solve for x
    x = 19,880,139.93/3,669.29
  6. Step 6: Final answer
    x = 5,417.98

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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.