Home / 3,254.28-4,880.18-1,405.25

Finding the Fourth Proportional to 3,254.28, 4,880.18 and 1,405.25

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Solution

The fourth proportional to 3,254.28, 4,880.18 and 1,405.25 is: 2,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.28 : 4,880.18 = 1,405.25 : x
  2. Step 2: Convert to fraction form
    3,254.28/4,880.18 = 1,405.25/x
  3. Step 3: Cross multiply
    3,254.28x = 4,880.18 × 1,405.25
  4. Step 4: Simplify right side
    3,254.28x = 6,857,841.52
  5. Step 5: Solve for x
    x = 6,857,841.52/3,254.28
  6. Step 6: Final answer
    x = 2,107.33

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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.