Home / 2,976.29-4,465.65-1,028.64

Finding the Fourth Proportional to 2,976.29, 4,465.65 and 1,028.64

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Solution

The fourth proportional to 2,976.29, 4,465.65 and 1,028.64 is: 1,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.29 : 4,465.65 = 1,028.64 : x
  2. Step 2: Convert to fraction form
    2,976.29/4,465.65 = 1,028.64/x
  3. Step 3: Cross multiply
    2,976.29x = 4,465.65 × 1,028.64
  4. Step 4: Simplify right side
    2,976.29x = 4,593,566.82
  5. Step 5: Solve for x
    x = 4,593,566.82/2,976.29
  6. Step 6: Final answer
    x = 1,543.39

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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.