Home / 1,270.91-1,752.98-1,166.39

Finding the Fourth Proportional to 1,270.91, 1,752.98 and 1,166.39

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Solution

The fourth proportional to 1,270.91, 1,752.98 and 1,166.39 is: 1,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270.91 : 1,752.98 = 1,166.39 : x
  2. Step 2: Convert to fraction form
    1,270.91/1,752.98 = 1,166.39/x
  3. Step 3: Cross multiply
    1,270.91x = 1,752.98 × 1,166.39
  4. Step 4: Simplify right side
    1,270.91x = 2,044,652.49
  5. Step 5: Solve for x
    x = 2,044,652.49/1,270.91
  6. Step 6: Final answer
    x = 1,608.82

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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.