Home / 2,045.64-2,822.09-1,382.25

Finding the Fourth Proportional to 2,045.64, 2,822.09 and 1,382.25

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Solution

The fourth proportional to 2,045.64, 2,822.09 and 1,382.25 is: 1,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.64 : 2,822.09 = 1,382.25 : x
  2. Step 2: Convert to fraction form
    2,045.64/2,822.09 = 1,382.25/x
  3. Step 3: Cross multiply
    2,045.64x = 2,822.09 × 1,382.25
  4. Step 4: Simplify right side
    2,045.64x = 3,900,826.99
  5. Step 5: Solve for x
    x = 3,900,826.99/2,045.64
  6. Step 6: Final answer
    x = 1,906.90

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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.