Home / 3,845.27-5,306.47-2,076.87

Finding the Fourth Proportional to 3,845.27, 5,306.47 and 2,076.87

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Solution

The fourth proportional to 3,845.27, 5,306.47 and 2,076.87 is: 2,866.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.27 : 5,306.47 = 2,076.87 : x
  2. Step 2: Convert to fraction form
    3,845.27/5,306.47 = 2,076.87/x
  3. Step 3: Cross multiply
    3,845.27x = 5,306.47 × 2,076.87
  4. Step 4: Simplify right side
    3,845.27x = 11,020,849.79
  5. Step 5: Solve for x
    x = 11,020,849.79/3,845.27
  6. Step 6: Final answer
    x = 2,866.08

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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.