Home / 1,966.66-2,944.95-1,641.22

Finding the Fourth Proportional to 1,966.66, 2,944.95 and 1,641.22

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Solution

The fourth proportional to 1,966.66, 2,944.95 and 1,641.22 is: 2,457.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.66 : 2,944.95 = 1,641.22 : x
  2. Step 2: Convert to fraction form
    1,966.66/2,944.95 = 1,641.22/x
  3. Step 3: Cross multiply
    1,966.66x = 2,944.95 × 1,641.22
  4. Step 4: Simplify right side
    1,966.66x = 4,833,310.84
  5. Step 5: Solve for x
    x = 4,833,310.84/1,966.66
  6. Step 6: Final answer
    x = 2,457.62

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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.