Home / 3,711.73-5,119.01-2,647.47

Finding the Fourth Proportional to 3,711.73, 5,119.01 and 2,647.47

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Solution

The fourth proportional to 3,711.73, 5,119.01 and 2,647.47 is: 3,651.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.73 : 5,119.01 = 2,647.47 : x
  2. Step 2: Convert to fraction form
    3,711.73/5,119.01 = 2,647.47/x
  3. Step 3: Cross multiply
    3,711.73x = 5,119.01 × 2,647.47
  4. Step 4: Simplify right side
    3,711.73x = 13,552,386.57
  5. Step 5: Solve for x
    x = 13,552,386.57/3,711.73
  6. Step 6: Final answer
    x = 3,651.23

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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.