Home / 1,910.96-2,637.49-1,125.44

Finding the Fourth Proportional to 1,910.96, 2,637.49 and 1,125.44

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Solution

The fourth proportional to 1,910.96, 2,637.49 and 1,125.44 is: 1,553.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.96 : 2,637.49 = 1,125.44 : x
  2. Step 2: Convert to fraction form
    1,910.96/2,637.49 = 1,125.44/x
  3. Step 3: Cross multiply
    1,910.96x = 2,637.49 × 1,125.44
  4. Step 4: Simplify right side
    1,910.96x = 2,968,336.75
  5. Step 5: Solve for x
    x = 2,968,336.75/1,910.96
  6. Step 6: Final answer
    x = 1,553.32

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Double scale
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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.