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Finding the Fourth Proportional to 1,260.26, 1,737.23 and 886.22

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Solution

The fourth proportional to 1,260.26, 1,737.23 and 886.22 is: 1,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.26 : 1,737.23 = 886.22 : x
  2. Step 2: Convert to fraction form
    1,260.26/1,737.23 = 886.22/x
  3. Step 3: Cross multiply
    1,260.26x = 1,737.23 × 886.22
  4. Step 4: Simplify right side
    1,260.26x = 1,539,554.85
  5. Step 5: Solve for x
    x = 1,539,554.85/1,260.26
  6. Step 6: Final answer
    x = 1,221.62

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1.5x scale

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.