Home / 3,678.92-5,518.38-2,588.16

Finding the Fourth Proportional to 3,678.92, 5,518.38 and 2,588.16

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Solution

The fourth proportional to 3,678.92, 5,518.38 and 2,588.16 is: 3,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.92 : 5,518.38 = 2,588.16 : x
  2. Step 2: Convert to fraction form
    3,678.92/5,518.38 = 2,588.16/x
  3. Step 3: Cross multiply
    3,678.92x = 5,518.38 × 2,588.16
  4. Step 4: Simplify right side
    3,678.92x = 14,282,450.38
  5. Step 5: Solve for x
    x = 14,282,450.38/3,678.92
  6. Step 6: Final answer
    x = 3,882.24

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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.