Home / 3,813.34-5,258.91-2,486.56

Finding the Fourth Proportional to 3,813.34, 5,258.91 and 2,486.56

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Solution

The fourth proportional to 3,813.34, 5,258.91 and 2,486.56 is: 3,429.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.34 : 5,258.91 = 2,486.56 : x
  2. Step 2: Convert to fraction form
    3,813.34/5,258.91 = 2,486.56/x
  3. Step 3: Cross multiply
    3,813.34x = 5,258.91 × 2,486.56
  4. Step 4: Simplify right side
    3,813.34x = 13,076,595.25
  5. Step 5: Solve for x
    x = 13,076,595.25/3,813.34
  6. Step 6: Final answer
    x = 3,429.17

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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.