Home / 2,026.51-2,793.80-1,280.09

Finding the Fourth Proportional to 2,026.51, 2,793.80 and 1,280.09

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Solution

The fourth proportional to 2,026.51, 2,793.80 and 1,280.09 is: 1,764.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.51 : 2,793.80 = 1,280.09 : x
  2. Step 2: Convert to fraction form
    2,026.51/2,793.80 = 1,280.09/x
  3. Step 3: Cross multiply
    2,026.51x = 2,793.80 × 1,280.09
  4. Step 4: Simplify right side
    2,026.51x = 3,576,315.44
  5. Step 5: Solve for x
    x = 3,576,315.44/2,026.51
  6. Step 6: Final answer
    x = 1,764.77

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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.