Home / 2,028.74-2,796.80-1,531.94

Finding the Fourth Proportional to 2,028.74, 2,796.80 and 1,531.94

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Solution

The fourth proportional to 2,028.74, 2,796.80 and 1,531.94 is: 2,111.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.74 : 2,796.80 = 1,531.94 : x
  2. Step 2: Convert to fraction form
    2,028.74/2,796.80 = 1,531.94/x
  3. Step 3: Cross multiply
    2,028.74x = 2,796.80 × 1,531.94
  4. Step 4: Simplify right side
    2,028.74x = 4,284,529.79
  5. Step 5: Solve for x
    x = 4,284,529.79/2,028.74
  6. Step 6: Final answer
    x = 2,111.92

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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.