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Finding the Fourth Proportional to 1,975.02, 2,960.09 and 1,000.59

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Solution

The fourth proportional to 1,975.02, 2,960.09 and 1,000.59 is: 1,499.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.02 : 2,960.09 = 1,000.59 : x
  2. Step 2: Convert to fraction form
    1,975.02/2,960.09 = 1,000.59/x
  3. Step 3: Cross multiply
    1,975.02x = 2,960.09 × 1,000.59
  4. Step 4: Simplify right side
    1,975.02x = 2,961,836.45
  5. Step 5: Solve for x
    x = 2,961,836.45/1,975.02
  6. Step 6: Final answer
    x = 1,499.65

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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.