Home / 2,504.60-3,456.03-1,385.38

Finding the Fourth Proportional to 2,504.60, 3,456.03 and 1,385.38

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Solution

The fourth proportional to 2,504.60, 3,456.03 and 1,385.38 is: 1,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,504.60 : 3,456.03 = 1,385.38 : x
  2. Step 2: Convert to fraction form
    2,504.60/3,456.03 = 1,385.38/x
  3. Step 3: Cross multiply
    2,504.60x = 3,456.03 × 1,385.38
  4. Step 4: Simplify right side
    2,504.60x = 4,787,924.36
  5. Step 5: Solve for x
    x = 4,787,924.36/2,504.60
  6. Step 6: Final answer
    x = 1,911.65

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Half scale
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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.