Home / 2,965.12-4,447.52-1,017.28

Finding the Fourth Proportional to 2,965.12, 4,447.52 and 1,017.28

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Solution

The fourth proportional to 2,965.12, 4,447.52 and 1,017.28 is: 1,525.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.12 : 4,447.52 = 1,017.28 : x
  2. Step 2: Convert to fraction form
    2,965.12/4,447.52 = 1,017.28/x
  3. Step 3: Cross multiply
    2,965.12x = 4,447.52 × 1,017.28
  4. Step 4: Simplify right side
    2,965.12x = 4,524,373.15
  5. Step 5: Solve for x
    x = 4,524,373.15/2,965.12
  6. Step 6: Final answer
    x = 1,525.87

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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.