Home / 4,178.92-5,766.88-2,290.51

Finding the Fourth Proportional to 4,178.92, 5,766.88 and 2,290.51

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Solution

The fourth proportional to 4,178.92, 5,766.88 and 2,290.51 is: 3,160.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.92 : 5,766.88 = 2,290.51 : x
  2. Step 2: Convert to fraction form
    4,178.92/5,766.88 = 2,290.51/x
  3. Step 3: Cross multiply
    4,178.92x = 5,766.88 × 2,290.51
  4. Step 4: Simplify right side
    4,178.92x = 13,209,096.31
  5. Step 5: Solve for x
    x = 13,209,096.31/4,178.92
  6. Step 6: Final answer
    x = 3,160.89

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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.