Home / 2,135.26-3,205.65-2,047.51

Finding the Fourth Proportional to 2,135.26, 3,205.65 and 2,047.51

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Solution

The fourth proportional to 2,135.26, 3,205.65 and 2,047.51 is: 3,073.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.26 : 3,205.65 = 2,047.51 : x
  2. Step 2: Convert to fraction form
    2,135.26/3,205.65 = 2,047.51/x
  3. Step 3: Cross multiply
    2,135.26x = 3,205.65 × 2,047.51
  4. Step 4: Simplify right side
    2,135.26x = 6,563,600.43
  5. Step 5: Solve for x
    x = 6,563,600.43/2,135.26
  6. Step 6: Final answer
    x = 3,073.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.