Home / 3,606.30-5,405.73-2,616.65

Finding the Fourth Proportional to 3,606.30, 5,405.73 and 2,616.65

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Solution

The fourth proportional to 3,606.30, 5,405.73 and 2,616.65 is: 3,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.30 : 5,405.73 = 2,616.65 : x
  2. Step 2: Convert to fraction form
    3,606.30/5,405.73 = 2,616.65/x
  3. Step 3: Cross multiply
    3,606.30x = 5,405.73 × 2,616.65
  4. Step 4: Simplify right side
    3,606.30x = 14,144,903.40
  5. Step 5: Solve for x
    x = 14,144,903.40/3,606.30
  6. Step 6: Final answer
    x = 3,922.28

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1.5x scale

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.