Home / 2,045.97-2,822.58-1,381.68

Finding the Fourth Proportional to 2,045.97, 2,822.58 and 1,381.68

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Solution

The fourth proportional to 2,045.97, 2,822.58 and 1,381.68 is: 1,906.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.97 : 2,822.58 = 1,381.68 : x
  2. Step 2: Convert to fraction form
    2,045.97/2,822.58 = 1,381.68/x
  3. Step 3: Cross multiply
    2,045.97x = 2,822.58 × 1,381.68
  4. Step 4: Simplify right side
    2,045.97x = 3,899,902.33
  5. Step 5: Solve for x
    x = 3,899,902.33/2,045.97
  6. Step 6: Final answer
    x = 1,906.14

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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.