Home / 3,013.42-4,520.79-904.96

Finding the Fourth Proportional to 3,013.42, 4,520.79 and 904.96

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Solution

The fourth proportional to 3,013.42, 4,520.79 and 904.96 is: 1,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.42 : 4,520.79 = 904.96 : x
  2. Step 2: Convert to fraction form
    3,013.42/4,520.79 = 904.96/x
  3. Step 3: Cross multiply
    3,013.42x = 4,520.79 × 904.96
  4. Step 4: Simplify right side
    3,013.42x = 4,091,134.12
  5. Step 5: Solve for x
    x = 4,091,134.12/3,013.42
  6. Step 6: Final answer
    x = 1,357.64

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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.