Home / 2,504.57-3,456.11-1,385.33

Finding the Fourth Proportional to 2,504.57, 3,456.11 and 1,385.33

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Solution

The fourth proportional to 2,504.57, 3,456.11 and 1,385.33 is: 1,911.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,504.57 : 3,456.11 = 1,385.33 : x
  2. Step 2: Convert to fraction form
    2,504.57/3,456.11 = 1,385.33/x
  3. Step 3: Cross multiply
    2,504.57x = 3,456.11 × 1,385.33
  4. Step 4: Simplify right side
    2,504.57x = 4,787,839.05
  5. Step 5: Solve for x
    x = 4,787,839.05/2,504.57
  6. Step 6: Final answer
    x = 1,911.64

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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.