Home / 3,678.81-5,504.22-2,488.11

Finding the Fourth Proportional to 3,678.81, 5,504.22 and 2,488.11

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Solution

The fourth proportional to 3,678.81, 5,504.22 and 2,488.11 is: 3,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.81 : 5,504.22 = 2,488.11 : x
  2. Step 2: Convert to fraction form
    3,678.81/5,504.22 = 2,488.11/x
  3. Step 3: Cross multiply
    3,678.81x = 5,504.22 × 2,488.11
  4. Step 4: Simplify right side
    3,678.81x = 13,695,104.82
  5. Step 5: Solve for x
    x = 13,695,104.82/3,678.81
  6. Step 6: Final answer
    x = 3,722.70

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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.