Home / 3,853.76-5,780.66-2,554.92

Finding the Fourth Proportional to 3,853.76, 5,780.66 and 2,554.92

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Solution

The fourth proportional to 3,853.76, 5,780.66 and 2,554.92 is: 3,832.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.76 : 5,780.66 = 2,554.92 : x
  2. Step 2: Convert to fraction form
    3,853.76/5,780.66 = 2,554.92/x
  3. Step 3: Cross multiply
    3,853.76x = 5,780.66 × 2,554.92
  4. Step 4: Simplify right side
    3,853.76x = 14,769,111.07
  5. Step 5: Solve for x
    x = 14,769,111.07/3,853.76
  6. Step 6: Final answer
    x = 3,832.39

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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.