Home / 1,965.34-2,949.95-1,443.88

Finding the Fourth Proportional to 1,965.34, 2,949.95 and 1,443.88

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Solution

The fourth proportional to 1,965.34, 2,949.95 and 1,443.88 is: 2,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.34 : 2,949.95 = 1,443.88 : x
  2. Step 2: Convert to fraction form
    1,965.34/2,949.95 = 1,443.88/x
  3. Step 3: Cross multiply
    1,965.34x = 2,949.95 × 1,443.88
  4. Step 4: Simplify right side
    1,965.34x = 4,259,373.81
  5. Step 5: Solve for x
    x = 4,259,373.81/1,965.34
  6. Step 6: Final answer
    x = 2,167.25

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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.