Home / 4,284.71-6,422.68-2,431.91

Finding the Fourth Proportional to 4,284.71, 6,422.68 and 2,431.91

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Solution

The fourth proportional to 4,284.71, 6,422.68 and 2,431.91 is: 3,645.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.71 : 6,422.68 = 2,431.91 : x
  2. Step 2: Convert to fraction form
    4,284.71/6,422.68 = 2,431.91/x
  3. Step 3: Cross multiply
    4,284.71x = 6,422.68 × 2,431.91
  4. Step 4: Simplify right side
    4,284.71x = 15,619,379.72
  5. Step 5: Solve for x
    x = 15,619,379.72/4,284.71
  6. Step 6: Final answer
    x = 3,645.38

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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.