Home / 2,028.17-2,800.58-1,367.21

Finding the Fourth Proportional to 2,028.17, 2,800.58 and 1,367.21

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Solution

The fourth proportional to 2,028.17, 2,800.58 and 1,367.21 is: 1,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.17 : 2,800.58 = 1,367.21 : x
  2. Step 2: Convert to fraction form
    2,028.17/2,800.58 = 1,367.21/x
  3. Step 3: Cross multiply
    2,028.17x = 2,800.58 × 1,367.21
  4. Step 4: Simplify right side
    2,028.17x = 3,828,960.14
  5. Step 5: Solve for x
    x = 3,828,960.14/2,028.17
  6. Step 6: Final answer
    x = 1,887.89

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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.