Home / 3,524.21-5,285.89-927.35

Finding the Fourth Proportional to 3,524.21, 5,285.89 and 927.35

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Solution

The fourth proportional to 3,524.21, 5,285.89 and 927.35 is: 1,390.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,524.21 : 5,285.89 = 927.35 : x
  2. Step 2: Convert to fraction form
    3,524.21/5,285.89 = 927.35/x
  3. Step 3: Cross multiply
    3,524.21x = 5,285.89 × 927.35
  4. Step 4: Simplify right side
    3,524.21x = 4,901,839.03
  5. Step 5: Solve for x
    x = 4,901,839.03/3,524.21
  6. Step 6: Final answer
    x = 1,390.91

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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.