Home / 3,499.71-4,825.89-3,147.03

Finding the Fourth Proportional to 3,499.71, 4,825.89 and 3,147.03

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Solution

The fourth proportional to 3,499.71, 4,825.89 and 3,147.03 is: 4,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.71 : 4,825.89 = 3,147.03 : x
  2. Step 2: Convert to fraction form
    3,499.71/4,825.89 = 3,147.03/x
  3. Step 3: Cross multiply
    3,499.71x = 4,825.89 × 3,147.03
  4. Step 4: Simplify right side
    3,499.71x = 15,187,220.61
  5. Step 5: Solve for x
    x = 15,187,220.61/3,499.71
  6. Step 6: Final answer
    x = 4,339.57

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1.5x scale

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.