Home / 1,976.83-2,960.79-1,534.56

Finding the Fourth Proportional to 1,976.83, 2,960.79 and 1,534.56

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Solution

The fourth proportional to 1,976.83, 2,960.79 and 1,534.56 is: 2,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.83 : 2,960.79 = 1,534.56 : x
  2. Step 2: Convert to fraction form
    1,976.83/2,960.79 = 1,534.56/x
  3. Step 3: Cross multiply
    1,976.83x = 2,960.79 × 1,534.56
  4. Step 4: Simplify right side
    1,976.83x = 4,543,509.90
  5. Step 5: Solve for x
    x = 4,543,509.90/1,976.83
  6. Step 6: Final answer
    x = 2,298.38

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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.