Home / 4,150.72-5,727.64-2,638.16

Finding the Fourth Proportional to 4,150.72, 5,727.64 and 2,638.16

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Solution

The fourth proportional to 4,150.72, 5,727.64 and 2,638.16 is: 3,640.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150.72 : 5,727.64 = 2,638.16 : x
  2. Step 2: Convert to fraction form
    4,150.72/5,727.64 = 2,638.16/x
  3. Step 3: Cross multiply
    4,150.72x = 5,727.64 × 2,638.16
  4. Step 4: Simplify right side
    4,150.72x = 15,110,430.74
  5. Step 5: Solve for x
    x = 15,110,430.74/4,150.72
  6. Step 6: Final answer
    x = 3,640.44

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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.