Home / 1,966.05-2,955.15-1,929.60

Finding the Fourth Proportional to 1,966.05, 2,955.15 and 1,929.60

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Solution

The fourth proportional to 1,966.05, 2,955.15 and 1,929.60 is: 2,900.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.05 : 2,955.15 = 1,929.60 : x
  2. Step 2: Convert to fraction form
    1,966.05/2,955.15 = 1,929.60/x
  3. Step 3: Cross multiply
    1,966.05x = 2,955.15 × 1,929.60
  4. Step 4: Simplify right side
    1,966.05x = 5,702,257.44
  5. Step 5: Solve for x
    x = 5,702,257.44/1,966.05
  6. Step 6: Final answer
    x = 2,900.36

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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.