Home / 3,286.24-4,929.44-1,555.04

Finding the Fourth Proportional to 3,286.24, 4,929.44 and 1,555.04

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Solution

The fourth proportional to 3,286.24, 4,929.44 and 1,555.04 is: 2,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.24 : 4,929.44 = 1,555.04 : x
  2. Step 2: Convert to fraction form
    3,286.24/4,929.44 = 1,555.04/x
  3. Step 3: Cross multiply
    3,286.24x = 4,929.44 × 1,555.04
  4. Step 4: Simplify right side
    3,286.24x = 7,665,476.38
  5. Step 5: Solve for x
    x = 7,665,476.38/3,286.24
  6. Step 6: Final answer
    x = 2,332.60

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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.