Home / 3,013.54-4,520.81-933.05

Finding the Fourth Proportional to 3,013.54, 4,520.81 and 933.05

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Solution

The fourth proportional to 3,013.54, 4,520.81 and 933.05 is: 1,399.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.54 : 4,520.81 = 933.05 : x
  2. Step 2: Convert to fraction form
    3,013.54/4,520.81 = 933.05/x
  3. Step 3: Cross multiply
    3,013.54x = 4,520.81 × 933.05
  4. Step 4: Simplify right side
    3,013.54x = 4,218,155.41
  5. Step 5: Solve for x
    x = 4,218,155.41/3,013.54
  6. Step 6: Final answer
    x = 1,399.74

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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.