Home / 1,010.61-1,394.82-964.44

Finding the Fourth Proportional to 1,010.61, 1,394.82 and 964.44

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Solution

The fourth proportional to 1,010.61, 1,394.82 and 964.44 is: 1,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010.61 : 1,394.82 = 964.44 : x
  2. Step 2: Convert to fraction form
    1,010.61/1,394.82 = 964.44/x
  3. Step 3: Cross multiply
    1,010.61x = 1,394.82 × 964.44
  4. Step 4: Simplify right side
    1,010.61x = 1,345,220.20
  5. Step 5: Solve for x
    x = 1,345,220.20/1,010.61
  6. Step 6: Final answer
    x = 1,331.10

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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.