Home / 2,931.23-4,044.83-1,604.90

Finding the Fourth Proportional to 2,931.23, 4,044.83 and 1,604.90

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Solution

The fourth proportional to 2,931.23, 4,044.83 and 1,604.90 is: 2,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.23 : 4,044.83 = 1,604.90 : x
  2. Step 2: Convert to fraction form
    2,931.23/4,044.83 = 1,604.90/x
  3. Step 3: Cross multiply
    2,931.23x = 4,044.83 × 1,604.90
  4. Step 4: Simplify right side
    2,931.23x = 6,491,519.42
  5. Step 5: Solve for x
    x = 6,491,519.42/2,931.23
  6. Step 6: Final answer
    x = 2,214.61

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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.