Home / 2,028.51-2,800.19-1,365.76

Finding the Fourth Proportional to 2,028.51, 2,800.19 and 1,365.76

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Solution

The fourth proportional to 2,028.51, 2,800.19 and 1,365.76 is: 1,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.51 : 2,800.19 = 1,365.76 : x
  2. Step 2: Convert to fraction form
    2,028.51/2,800.19 = 1,365.76/x
  3. Step 3: Cross multiply
    2,028.51x = 2,800.19 × 1,365.76
  4. Step 4: Simplify right side
    2,028.51x = 3,824,387.49
  5. Step 5: Solve for x
    x = 3,824,387.49/2,028.51
  6. Step 6: Final answer
    x = 1,885.32

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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.