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Finding the Fourth Proportional to 1,026.41, 1,537.40 and 954.26

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Solution

The fourth proportional to 1,026.41, 1,537.40 and 954.26 is: 1,429.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.41 : 1,537.40 = 954.26 : x
  2. Step 2: Convert to fraction form
    1,026.41/1,537.40 = 954.26/x
  3. Step 3: Cross multiply
    1,026.41x = 1,537.40 × 954.26
  4. Step 4: Simplify right side
    1,026.41x = 1,467,083.07
  5. Step 5: Solve for x
    x = 1,467,083.07/1,026.41
  6. Step 6: Final answer
    x = 1,429.34

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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.