Home / 3,834.41-5,291.60-2,490.35

Finding the Fourth Proportional to 3,834.41, 5,291.60 and 2,490.35

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Solution

The fourth proportional to 3,834.41, 5,291.60 and 2,490.35 is: 3,436.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.41 : 5,291.60 = 2,490.35 : x
  2. Step 2: Convert to fraction form
    3,834.41/5,291.60 = 2,490.35/x
  3. Step 3: Cross multiply
    3,834.41x = 5,291.60 × 2,490.35
  4. Step 4: Simplify right side
    3,834.41x = 13,177,897.15
  5. Step 5: Solve for x
    x = 13,177,897.15/3,834.41
  6. Step 6: Final answer
    x = 3,436.75

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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.