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Finding the Fourth Proportional to 2,899.30, 4,001 and 1,573

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Solution

The fourth proportional to 2,899.30, 4,001 and 1,573 is: 2,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.30 : 4,001 = 1,573 : x
  2. Step 2: Convert to fraction form
    2,899.30/4,001 = 1,573/x
  3. Step 3: Cross multiply
    2,899.30x = 4,001 × 1,573
  4. Step 4: Simplify right side
    2,899.30x = 6,293,573
  5. Step 5: Solve for x
    x = 6,293,573/2,899.30
  6. Step 6: Final answer
    x = 2,170.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.