Home / 2,931.18-4,044.98-1,604.88

Finding the Fourth Proportional to 2,931.18, 4,044.98 and 1,604.88

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Solution

The fourth proportional to 2,931.18, 4,044.98 and 1,604.88 is: 2,214.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.18 : 4,044.98 = 1,604.88 : x
  2. Step 2: Convert to fraction form
    2,931.18/4,044.98 = 1,604.88/x
  3. Step 3: Cross multiply
    2,931.18x = 4,044.98 × 1,604.88
  4. Step 4: Simplify right side
    2,931.18x = 6,491,707.50
  5. Step 5: Solve for x
    x = 6,491,707.50/2,931.18
  6. Step 6: Final answer
    x = 2,214.71

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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.