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Finding the Fourth Proportional to 1,469.53, 2,027.19 and 1,026.46

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Solution

The fourth proportional to 1,469.53, 2,027.19 and 1,026.46 is: 1,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.53 : 2,027.19 = 1,026.46 : x
  2. Step 2: Convert to fraction form
    1,469.53/2,027.19 = 1,026.46/x
  3. Step 3: Cross multiply
    1,469.53x = 2,027.19 × 1,026.46
  4. Step 4: Simplify right side
    1,469.53x = 2,080,829.45
  5. Step 5: Solve for x
    x = 2,080,829.45/1,469.53
  6. Step 6: Final answer
    x = 1,415.98

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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.