Home / 3,758.11-5,185.25-2,430.21

Finding the Fourth Proportional to 3,758.11, 5,185.25 and 2,430.21

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Solution

The fourth proportional to 3,758.11, 5,185.25 and 2,430.21 is: 3,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.11 : 5,185.25 = 2,430.21 : x
  2. Step 2: Convert to fraction form
    3,758.11/5,185.25 = 2,430.21/x
  3. Step 3: Cross multiply
    3,758.11x = 5,185.25 × 2,430.21
  4. Step 4: Simplify right side
    3,758.11x = 12,601,271.92
  5. Step 5: Solve for x
    x = 12,601,271.92/3,758.11
  6. Step 6: Final answer
    x = 3,353.09

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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.