Home / 3,215.24-4,818.90-1,364.19

Finding the Fourth Proportional to 3,215.24, 4,818.90 and 1,364.19

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Solution

The fourth proportional to 3,215.24, 4,818.90 and 1,364.19 is: 2,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.24 : 4,818.90 = 1,364.19 : x
  2. Step 2: Convert to fraction form
    3,215.24/4,818.90 = 1,364.19/x
  3. Step 3: Cross multiply
    3,215.24x = 4,818.90 × 1,364.19
  4. Step 4: Simplify right side
    3,215.24x = 6,573,895.19
  5. Step 5: Solve for x
    x = 6,573,895.19/3,215.24
  6. Step 6: Final answer
    x = 2,044.61

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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.