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Finding the Fourth Proportional to 1,977.02, 2,965.80 and 951.02

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Solution

The fourth proportional to 1,977.02, 2,965.80 and 951.02 is: 1,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.02 : 2,965.80 = 951.02 : x
  2. Step 2: Convert to fraction form
    1,977.02/2,965.80 = 951.02/x
  3. Step 3: Cross multiply
    1,977.02x = 2,965.80 × 951.02
  4. Step 4: Simplify right side
    1,977.02x = 2,820,535.12
  5. Step 5: Solve for x
    x = 2,820,535.12/1,977.02
  6. Step 6: Final answer
    x = 1,426.66

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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.