Home / 1,983.45-2,966.96-1,511.35

Finding the Fourth Proportional to 1,983.45, 2,966.96 and 1,511.35

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Solution

The fourth proportional to 1,983.45, 2,966.96 and 1,511.35 is: 2,260.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.45 : 2,966.96 = 1,511.35 : x
  2. Step 2: Convert to fraction form
    1,983.45/2,966.96 = 1,511.35/x
  3. Step 3: Cross multiply
    1,983.45x = 2,966.96 × 1,511.35
  4. Step 4: Simplify right side
    1,983.45x = 4,484,115.00
  5. Step 5: Solve for x
    x = 4,484,115.00/1,983.45
  6. Step 6: Final answer
    x = 2,260.77

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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.