Home / 3,515.69-5,281.73-2,055.87

Finding the Fourth Proportional to 3,515.69, 5,281.73 and 2,055.87

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Solution

The fourth proportional to 3,515.69, 5,281.73 and 2,055.87 is: 3,088.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.69 : 5,281.73 = 2,055.87 : x
  2. Step 2: Convert to fraction form
    3,515.69/5,281.73 = 2,055.87/x
  3. Step 3: Cross multiply
    3,515.69x = 5,281.73 × 2,055.87
  4. Step 4: Simplify right side
    3,515.69x = 10,858,523.85
  5. Step 5: Solve for x
    x = 10,858,523.85/3,515.69
  6. Step 6: Final answer
    x = 3,088.59

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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.