Home / 3,851.55-5,315.61-2,359.68

Finding the Fourth Proportional to 3,851.55, 5,315.61 and 2,359.68

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Solution

The fourth proportional to 3,851.55, 5,315.61 and 2,359.68 is: 3,256.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.55 : 5,315.61 = 2,359.68 : x
  2. Step 2: Convert to fraction form
    3,851.55/5,315.61 = 2,359.68/x
  3. Step 3: Cross multiply
    3,851.55x = 5,315.61 × 2,359.68
  4. Step 4: Simplify right side
    3,851.55x = 12,543,138.60
  5. Step 5: Solve for x
    x = 12,543,138.60/3,851.55
  6. Step 6: Final answer
    x = 3,256.65

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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.