Home / 3,678.76-5,488.49-3,544.30

Finding the Fourth Proportional to 3,678.76, 5,488.49 and 3,544.30

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Solution

The fourth proportional to 3,678.76, 5,488.49 and 3,544.30 is: 5,287.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.76 : 5,488.49 = 3,544.30 : x
  2. Step 2: Convert to fraction form
    3,678.76/5,488.49 = 3,544.30/x
  3. Step 3: Cross multiply
    3,678.76x = 5,488.49 × 3,544.30
  4. Step 4: Simplify right side
    3,678.76x = 19,452,855.11
  5. Step 5: Solve for x
    x = 19,452,855.11/3,678.76
  6. Step 6: Final answer
    x = 5,287.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.