Home / 3,479.12-5,212.59-2,897.85

Finding the Fourth Proportional to 3,479.12, 5,212.59 and 2,897.85

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Solution

The fourth proportional to 3,479.12, 5,212.59 and 2,897.85 is: 4,341.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.12 : 5,212.59 = 2,897.85 : x
  2. Step 2: Convert to fraction form
    3,479.12/5,212.59 = 2,897.85/x
  3. Step 3: Cross multiply
    3,479.12x = 5,212.59 × 2,897.85
  4. Step 4: Simplify right side
    3,479.12x = 15,105,303.93
  5. Step 5: Solve for x
    x = 15,105,303.93/3,479.12
  6. Step 6: Final answer
    x = 4,341.71

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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.