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Finding the Fourth Proportional to 2,497.68, 3,745.98 and 854.28

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Solution

The fourth proportional to 2,497.68, 3,745.98 and 854.28 is: 1,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.68 : 3,745.98 = 854.28 : x
  2. Step 2: Convert to fraction form
    2,497.68/3,745.98 = 854.28/x
  3. Step 3: Cross multiply
    2,497.68x = 3,745.98 × 854.28
  4. Step 4: Simplify right side
    2,497.68x = 3,200,115.79
  5. Step 5: Solve for x
    x = 3,200,115.79/2,497.68
  6. Step 6: Final answer
    x = 1,281.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.