Home / 4,178.96-5,765.72-2,386.38

Finding the Fourth Proportional to 4,178.96, 5,765.72 and 2,386.38

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Solution

The fourth proportional to 4,178.96, 5,765.72 and 2,386.38 is: 3,292.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.96 : 5,765.72 = 2,386.38 : x
  2. Step 2: Convert to fraction form
    4,178.96/5,765.72 = 2,386.38/x
  3. Step 3: Cross multiply
    4,178.96x = 5,765.72 × 2,386.38
  4. Step 4: Simplify right side
    4,178.96x = 13,759,176.03
  5. Step 5: Solve for x
    x = 13,759,176.03/4,178.96
  6. Step 6: Final answer
    x = 3,292.49

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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.