Home / 3,861.04-5,327.81-2,182.45

Finding the Fourth Proportional to 3,861.04, 5,327.81 and 2,182.45

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Solution

The fourth proportional to 3,861.04, 5,327.81 and 2,182.45 is: 3,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.04 : 5,327.81 = 2,182.45 : x
  2. Step 2: Convert to fraction form
    3,861.04/5,327.81 = 2,182.45/x
  3. Step 3: Cross multiply
    3,861.04x = 5,327.81 × 2,182.45
  4. Step 4: Simplify right side
    3,861.04x = 11,627,678.93
  5. Step 5: Solve for x
    x = 11,627,678.93/3,861.04
  6. Step 6: Final answer
    x = 3,011.54

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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.