Home / 3,463.11-5,185.40-1,816.18

Finding the Fourth Proportional to 3,463.11, 5,185.40 and 1,816.18

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Solution

The fourth proportional to 3,463.11, 5,185.40 and 1,816.18 is: 2,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.11 : 5,185.40 = 1,816.18 : x
  2. Step 2: Convert to fraction form
    3,463.11/5,185.40 = 1,816.18/x
  3. Step 3: Cross multiply
    3,463.11x = 5,185.40 × 1,816.18
  4. Step 4: Simplify right side
    3,463.11x = 9,417,597.73
  5. Step 5: Solve for x
    x = 9,417,597.73/3,463.11
  6. Step 6: Final answer
    x = 2,719.40

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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.