Home / 3,830.32-5,287.17-2,414.98

Finding the Fourth Proportional to 3,830.32, 5,287.17 and 2,414.98

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Solution

The fourth proportional to 3,830.32, 5,287.17 and 2,414.98 is: 3,333.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.32 : 5,287.17 = 2,414.98 : x
  2. Step 2: Convert to fraction form
    3,830.32/5,287.17 = 2,414.98/x
  3. Step 3: Cross multiply
    3,830.32x = 5,287.17 × 2,414.98
  4. Step 4: Simplify right side
    3,830.32x = 12,768,409.81
  5. Step 5: Solve for x
    x = 12,768,409.81/3,830.32
  6. Step 6: Final answer
    x = 3,333.51

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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.