Home / 3,212.64-4,815.30-2,430.09

Finding the Fourth Proportional to 3,212.64, 4,815.30 and 2,430.09

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Solution

The fourth proportional to 3,212.64, 4,815.30 and 2,430.09 is: 3,642.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.64 : 4,815.30 = 2,430.09 : x
  2. Step 2: Convert to fraction form
    3,212.64/4,815.30 = 2,430.09/x
  3. Step 3: Cross multiply
    3,212.64x = 4,815.30 × 2,430.09
  4. Step 4: Simplify right side
    3,212.64x = 11,701,612.38
  5. Step 5: Solve for x
    x = 11,701,612.38/3,212.64
  6. Step 6: Final answer
    x = 3,642.37

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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.