Home / 2,040.52-2,815.86-1,254.44

Finding the Fourth Proportional to 2,040.52, 2,815.86 and 1,254.44

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Solution

The fourth proportional to 2,040.52, 2,815.86 and 1,254.44 is: 1,731.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.52 : 2,815.86 = 1,254.44 : x
  2. Step 2: Convert to fraction form
    2,040.52/2,815.86 = 1,254.44/x
  3. Step 3: Cross multiply
    2,040.52x = 2,815.86 × 1,254.44
  4. Step 4: Simplify right side
    2,040.52x = 3,532,327.42
  5. Step 5: Solve for x
    x = 3,532,327.42/2,040.52
  6. Step 6: Final answer
    x = 1,731.09

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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.