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Finding the Fourth Proportional to 1,459.26, 2,014.89 and 900.51

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Solution

The fourth proportional to 1,459.26, 2,014.89 and 900.51 is: 1,243.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.26 : 2,014.89 = 900.51 : x
  2. Step 2: Convert to fraction form
    1,459.26/2,014.89 = 900.51/x
  3. Step 3: Cross multiply
    1,459.26x = 2,014.89 × 900.51
  4. Step 4: Simplify right side
    1,459.26x = 1,814,428.59
  5. Step 5: Solve for x
    x = 1,814,428.59/1,459.26
  6. Step 6: Final answer
    x = 1,243.39

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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.