Home / 1,910.92-2,637.46-1,083.08

Finding the Fourth Proportional to 1,910.92, 2,637.46 and 1,083.08

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Solution

The fourth proportional to 1,910.92, 2,637.46 and 1,083.08 is: 1,494.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.92 : 2,637.46 = 1,083.08 : x
  2. Step 2: Convert to fraction form
    1,910.92/2,637.46 = 1,083.08/x
  3. Step 3: Cross multiply
    1,910.92x = 2,637.46 × 1,083.08
  4. Step 4: Simplify right side
    1,910.92x = 2,856,580.18
  5. Step 5: Solve for x
    x = 2,856,580.18/1,910.92
  6. Step 6: Final answer
    x = 1,494.87

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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.