Home / 3,215.22-4,436.97-1,798.94

Finding the Fourth Proportional to 3,215.22, 4,436.97 and 1,798.94

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Solution

The fourth proportional to 3,215.22, 4,436.97 and 1,798.94 is: 2,482.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.22 : 4,436.97 = 1,798.94 : x
  2. Step 2: Convert to fraction form
    3,215.22/4,436.97 = 1,798.94/x
  3. Step 3: Cross multiply
    3,215.22x = 4,436.97 × 1,798.94
  4. Step 4: Simplify right side
    3,215.22x = 7,981,820.63
  5. Step 5: Solve for x
    x = 7,981,820.63/3,215.22
  6. Step 6: Final answer
    x = 2,482.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.