Home / 2,028.68-2,800.76-1,331.27

Finding the Fourth Proportional to 2,028.68, 2,800.76 and 1,331.27

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Solution

The fourth proportional to 2,028.68, 2,800.76 and 1,331.27 is: 1,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.68 : 2,800.76 = 1,331.27 : x
  2. Step 2: Convert to fraction form
    2,028.68/2,800.76 = 1,331.27/x
  3. Step 3: Cross multiply
    2,028.68x = 2,800.76 × 1,331.27
  4. Step 4: Simplify right side
    2,028.68x = 3,728,547.11
  5. Step 5: Solve for x
    x = 3,728,547.11/2,028.68
  6. Step 6: Final answer
    x = 1,837.92

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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.