Home / 3,215.20-4,822.94-1,573.13

Finding the Fourth Proportional to 3,215.20, 4,822.94 and 1,573.13

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Solution

The fourth proportional to 3,215.20, 4,822.94 and 1,573.13 is: 2,359.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.20 : 4,822.94 = 1,573.13 : x
  2. Step 2: Convert to fraction form
    3,215.20/4,822.94 = 1,573.13/x
  3. Step 3: Cross multiply
    3,215.20x = 4,822.94 × 1,573.13
  4. Step 4: Simplify right side
    3,215.20x = 7,587,079.62
  5. Step 5: Solve for x
    x = 7,587,079.62/3,215.20
  6. Step 6: Final answer
    x = 2,359.76

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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.