Home / 3,051.26-4,576.90-742.76

Finding the Fourth Proportional to 3,051.26, 4,576.90 and 742.76

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Solution

The fourth proportional to 3,051.26, 4,576.90 and 742.76 is: 1,114.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.26 : 4,576.90 = 742.76 : x
  2. Step 2: Convert to fraction form
    3,051.26/4,576.90 = 742.76/x
  3. Step 3: Cross multiply
    3,051.26x = 4,576.90 × 742.76
  4. Step 4: Simplify right side
    3,051.26x = 3,399,538.24
  5. Step 5: Solve for x
    x = 3,399,538.24/3,051.26
  6. Step 6: Final answer
    x = 1,114.14

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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.