Home / 3,818.39-5,728.95-2,355.84

Finding the Fourth Proportional to 3,818.39, 5,728.95 and 2,355.84

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Solution

The fourth proportional to 3,818.39, 5,728.95 and 2,355.84 is: 3,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.39 : 5,728.95 = 2,355.84 : x
  2. Step 2: Convert to fraction form
    3,818.39/5,728.95 = 2,355.84/x
  3. Step 3: Cross multiply
    3,818.39x = 5,728.95 × 2,355.84
  4. Step 4: Simplify right side
    3,818.39x = 13,496,489.57
  5. Step 5: Solve for x
    x = 13,496,489.57/3,818.39
  6. Step 6: Final answer
    x = 3,534.60

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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.