Home / 4,187.74-5,780.28-2,771.66

Finding the Fourth Proportional to 4,187.74, 5,780.28 and 2,771.66

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Solution

The fourth proportional to 4,187.74, 5,780.28 and 2,771.66 is: 3,825.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.74 : 5,780.28 = 2,771.66 : x
  2. Step 2: Convert to fraction form
    4,187.74/5,780.28 = 2,771.66/x
  3. Step 3: Cross multiply
    4,187.74x = 5,780.28 × 2,771.66
  4. Step 4: Simplify right side
    4,187.74x = 16,020,970.86
  5. Step 5: Solve for x
    x = 16,020,970.86/4,187.74
  6. Step 6: Final answer
    x = 3,825.68

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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.