Home / 3,730.28-5,147.87-2,051.57

Finding the Fourth Proportional to 3,730.28, 5,147.87 and 2,051.57

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Solution

The fourth proportional to 3,730.28, 5,147.87 and 2,051.57 is: 2,831.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.28 : 5,147.87 = 2,051.57 : x
  2. Step 2: Convert to fraction form
    3,730.28/5,147.87 = 2,051.57/x
  3. Step 3: Cross multiply
    3,730.28x = 5,147.87 × 2,051.57
  4. Step 4: Simplify right side
    3,730.28x = 10,561,218.27
  5. Step 5: Solve for x
    x = 10,561,218.27/3,730.28
  6. Step 6: Final answer
    x = 2,831.22

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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.