Home / 4,143.30-5,717.43-2,571.09

Finding the Fourth Proportional to 4,143.30, 5,717.43 and 2,571.09

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Solution

The fourth proportional to 4,143.30, 5,717.43 and 2,571.09 is: 3,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.30 : 5,717.43 = 2,571.09 : x
  2. Step 2: Convert to fraction form
    4,143.30/5,717.43 = 2,571.09/x
  3. Step 3: Cross multiply
    4,143.30x = 5,717.43 × 2,571.09
  4. Step 4: Simplify right side
    4,143.30x = 14,700,027.10
  5. Step 5: Solve for x
    x = 14,700,027.10/4,143.30
  6. Step 6: Final answer
    x = 3,547.90

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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.