Home / 3,215.10-4,809.32-3,018.27

Finding the Fourth Proportional to 3,215.10, 4,809.32 and 3,018.27

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Solution

The fourth proportional to 3,215.10, 4,809.32 and 3,018.27 is: 4,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.10 : 4,809.32 = 3,018.27 : x
  2. Step 2: Convert to fraction form
    3,215.10/4,809.32 = 3,018.27/x
  3. Step 3: Cross multiply
    3,215.10x = 4,809.32 × 3,018.27
  4. Step 4: Simplify right side
    3,215.10x = 14,515,811.19
  5. Step 5: Solve for x
    x = 14,515,811.19/3,215.10
  6. Step 6: Final answer
    x = 4,514.89

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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.