Home / 3,254.25-4,876.45-2,154.68

Finding the Fourth Proportional to 3,254.25, 4,876.45 and 2,154.68

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Solution

The fourth proportional to 3,254.25, 4,876.45 and 2,154.68 is: 3,228.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.25 : 4,876.45 = 2,154.68 : x
  2. Step 2: Convert to fraction form
    3,254.25/4,876.45 = 2,154.68/x
  3. Step 3: Cross multiply
    3,254.25x = 4,876.45 × 2,154.68
  4. Step 4: Simplify right side
    3,254.25x = 10,507,154.13
  5. Step 5: Solve for x
    x = 10,507,154.13/3,254.25
  6. Step 6: Final answer
    x = 3,228.75

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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.