Home / 4,145.72-5,718.92-2,571.08

Finding the Fourth Proportional to 4,145.72, 5,718.92 and 2,571.08

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Solution

The fourth proportional to 4,145.72, 5,718.92 and 2,571.08 is: 3,546.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.72 : 5,718.92 = 2,571.08 : x
  2. Step 2: Convert to fraction form
    4,145.72/5,718.92 = 2,571.08/x
  3. Step 3: Cross multiply
    4,145.72x = 5,718.92 × 2,571.08
  4. Step 4: Simplify right side
    4,145.72x = 14,703,802.28
  5. Step 5: Solve for x
    x = 14,703,802.28/4,145.72
  6. Step 6: Final answer
    x = 3,546.74

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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.