Home / 3,765.23-5,646.08-2,119.58

Finding the Fourth Proportional to 3,765.23, 5,646.08 and 2,119.58

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Solution

The fourth proportional to 3,765.23, 5,646.08 and 2,119.58 is: 3,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.23 : 5,646.08 = 2,119.58 : x
  2. Step 2: Convert to fraction form
    3,765.23/5,646.08 = 2,119.58/x
  3. Step 3: Cross multiply
    3,765.23x = 5,646.08 × 2,119.58
  4. Step 4: Simplify right side
    3,765.23x = 11,967,279.42
  5. Step 5: Solve for x
    x = 11,967,279.42/3,765.23
  6. Step 6: Final answer
    x = 3,178.37

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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.