Home / 1,415.25-1,952.73-1,042.29

Finding the Fourth Proportional to 1,415.25, 1,952.73 and 1,042.29

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Solution

The fourth proportional to 1,415.25, 1,952.73 and 1,042.29 is: 1,438.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415.25 : 1,952.73 = 1,042.29 : x
  2. Step 2: Convert to fraction form
    1,415.25/1,952.73 = 1,042.29/x
  3. Step 3: Cross multiply
    1,415.25x = 1,952.73 × 1,042.29
  4. Step 4: Simplify right side
    1,415.25x = 2,035,310.95
  5. Step 5: Solve for x
    x = 2,035,310.95/1,415.25
  6. Step 6: Final answer
    x = 1,438.13

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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.