Home / 3,678.79-5,518.19-2,588.04

Finding the Fourth Proportional to 3,678.79, 5,518.19 and 2,588.04

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Solution

The fourth proportional to 3,678.79, 5,518.19 and 2,588.04 is: 3,882.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.79 : 5,518.19 = 2,588.04 : x
  2. Step 2: Convert to fraction form
    3,678.79/5,518.19 = 2,588.04/x
  3. Step 3: Cross multiply
    3,678.79x = 5,518.19 × 2,588.04
  4. Step 4: Simplify right side
    3,678.79x = 14,281,296.45
  5. Step 5: Solve for x
    x = 14,281,296.45/3,678.79
  6. Step 6: Final answer
    x = 3,882.06

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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.