Home / 3,895.11-5,374.58-3,698.08

Finding the Fourth Proportional to 3,895.11, 5,374.58 and 3,698.08

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Solution

The fourth proportional to 3,895.11, 5,374.58 and 3,698.08 is: 5,102.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.11 : 5,374.58 = 3,698.08 : x
  2. Step 2: Convert to fraction form
    3,895.11/5,374.58 = 3,698.08/x
  3. Step 3: Cross multiply
    3,895.11x = 5,374.58 × 3,698.08
  4. Step 4: Simplify right side
    3,895.11x = 19,875,626.81
  5. Step 5: Solve for x
    x = 19,875,626.81/3,895.11
  6. Step 6: Final answer
    x = 5,102.71

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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.