Home / 3,613.89-5,429.04-2,383.70

Finding the Fourth Proportional to 3,613.89, 5,429.04 and 2,383.70

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Solution

The fourth proportional to 3,613.89, 5,429.04 and 2,383.70 is: 3,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.89 : 5,429.04 = 2,383.70 : x
  2. Step 2: Convert to fraction form
    3,613.89/5,429.04 = 2,383.70/x
  3. Step 3: Cross multiply
    3,613.89x = 5,429.04 × 2,383.70
  4. Step 4: Simplify right side
    3,613.89x = 12,941,202.65
  5. Step 5: Solve for x
    x = 12,941,202.65/3,613.89
  6. Step 6: Final answer
    x = 3,580.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.