Home / 2,965.23-4,448.88-1,981.98

Finding the Fourth Proportional to 2,965.23, 4,448.88 and 1,981.98

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Solution

The fourth proportional to 2,965.23, 4,448.88 and 1,981.98 is: 2,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.23 : 4,448.88 = 1,981.98 : x
  2. Step 2: Convert to fraction form
    2,965.23/4,448.88 = 1,981.98/x
  3. Step 3: Cross multiply
    2,965.23x = 4,448.88 × 1,981.98
  4. Step 4: Simplify right side
    2,965.23x = 8,817,591.18
  5. Step 5: Solve for x
    x = 8,817,591.18/2,965.23
  6. Step 6: Final answer
    x = 2,973.66

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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.