Home / 3,730.28-5,147.91-2,051.75

Finding the Fourth Proportional to 3,730.28, 5,147.91 and 2,051.75

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Solution

The fourth proportional to 3,730.28, 5,147.91 and 2,051.75 is: 2,831.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.28 : 5,147.91 = 2,051.75 : x
  2. Step 2: Convert to fraction form
    3,730.28/5,147.91 = 2,051.75/x
  3. Step 3: Cross multiply
    3,730.28x = 5,147.91 × 2,051.75
  4. Step 4: Simplify right side
    3,730.28x = 10,562,224.34
  5. Step 5: Solve for x
    x = 10,562,224.34/3,730.28
  6. Step 6: Final answer
    x = 2,831.48

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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.