Home / 3,853.77-5,318.63-2,281.96

Finding the Fourth Proportional to 3,853.77, 5,318.63 and 2,281.96

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Solution

The fourth proportional to 3,853.77, 5,318.63 and 2,281.96 is: 3,149.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.77 : 5,318.63 = 2,281.96 : x
  2. Step 2: Convert to fraction form
    3,853.77/5,318.63 = 2,281.96/x
  3. Step 3: Cross multiply
    3,853.77x = 5,318.63 × 2,281.96
  4. Step 4: Simplify right side
    3,853.77x = 12,136,900.91
  5. Step 5: Solve for x
    x = 12,136,900.91/3,853.77
  6. Step 6: Final answer
    x = 3,149.36

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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.