Home / 2,969.07-4,452.51-1,020.75

Finding the Fourth Proportional to 2,969.07, 4,452.51 and 1,020.75

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Solution

The fourth proportional to 2,969.07, 4,452.51 and 1,020.75 is: 1,530.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.07 : 4,452.51 = 1,020.75 : x
  2. Step 2: Convert to fraction form
    2,969.07/4,452.51 = 1,020.75/x
  3. Step 3: Cross multiply
    2,969.07x = 4,452.51 × 1,020.75
  4. Step 4: Simplify right side
    2,969.07x = 4,544,899.58
  5. Step 5: Solve for x
    x = 4,544,899.58/2,969.07
  6. Step 6: Final answer
    x = 1,530.75

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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.