Home / 3,845.79-5,331.67-3,710.66

Finding the Fourth Proportional to 3,845.79, 5,331.67 and 3,710.66

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Solution

The fourth proportional to 3,845.79, 5,331.67 and 3,710.66 is: 5,144.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.79 : 5,331.67 = 3,710.66 : x
  2. Step 2: Convert to fraction form
    3,845.79/5,331.67 = 3,710.66/x
  3. Step 3: Cross multiply
    3,845.79x = 5,331.67 × 3,710.66
  4. Step 4: Simplify right side
    3,845.79x = 19,783,978.67
  5. Step 5: Solve for x
    x = 19,783,978.67/3,845.79
  6. Step 6: Final answer
    x = 5,144.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.