Home / 2,320.61-3,199.97-1,648.11

Finding the Fourth Proportional to 2,320.61, 3,199.97 and 1,648.11

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Solution

The fourth proportional to 2,320.61, 3,199.97 and 1,648.11 is: 2,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.61 : 3,199.97 = 1,648.11 : x
  2. Step 2: Convert to fraction form
    2,320.61/3,199.97 = 1,648.11/x
  3. Step 3: Cross multiply
    2,320.61x = 3,199.97 × 1,648.11
  4. Step 4: Simplify right side
    2,320.61x = 5,273,898.22
  5. Step 5: Solve for x
    x = 5,273,898.22/2,320.61
  6. Step 6: Final answer
    x = 2,272.63

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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.