Home / 1,262.16-1,741.77-702.62

Finding the Fourth Proportional to 1,262.16, 1,741.77 and 702.62

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Solution

The fourth proportional to 1,262.16, 1,741.77 and 702.62 is: 969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.16 : 1,741.77 = 702.62 : x
  2. Step 2: Convert to fraction form
    1,262.16/1,741.77 = 702.62/x
  3. Step 3: Cross multiply
    1,262.16x = 1,741.77 × 702.62
  4. Step 4: Simplify right side
    1,262.16x = 1,223,802.44
  5. Step 5: Solve for x
    x = 1,223,802.44/1,262.16
  6. Step 6: Final answer
    x = 969.61

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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.