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Finding the Fourth Proportional to 1,872.98, 2,810.29 and 1,006.28

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Solution

The fourth proportional to 1,872.98, 2,810.29 and 1,006.28 is: 1,509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.98 : 2,810.29 = 1,006.28 : x
  2. Step 2: Convert to fraction form
    1,872.98/2,810.29 = 1,006.28/x
  3. Step 3: Cross multiply
    1,872.98x = 2,810.29 × 1,006.28
  4. Step 4: Simplify right side
    1,872.98x = 2,827,943.13
  5. Step 5: Solve for x
    x = 2,827,943.13/1,872.98
  6. Step 6: Final answer
    x = 1,509.86

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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.