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Finding the Fourth Proportional to 2,259.51, 3,395.96 and 1,872

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Solution

The fourth proportional to 2,259.51, 3,395.96 and 1,872 is: 2,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.51 : 3,395.96 = 1,872 : x
  2. Step 2: Convert to fraction form
    2,259.51/3,395.96 = 1,872/x
  3. Step 3: Cross multiply
    2,259.51x = 3,395.96 × 1,872
  4. Step 4: Simplify right side
    2,259.51x = 6,357,227.76
  5. Step 5: Solve for x
    x = 6,357,227.76/2,259.51
  6. Step 6: Final answer
    x = 2,813.54

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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.