Home / 2,380.09-3,286.13-1,484.18

Finding the Fourth Proportional to 2,380.09, 3,286.13 and 1,484.18

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Solution

The fourth proportional to 2,380.09, 3,286.13 and 1,484.18 is: 2,049.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.09 : 3,286.13 = 1,484.18 : x
  2. Step 2: Convert to fraction form
    2,380.09/3,286.13 = 1,484.18/x
  3. Step 3: Cross multiply
    2,380.09x = 3,286.13 × 1,484.18
  4. Step 4: Simplify right side
    2,380.09x = 4,877,208.42
  5. Step 5: Solve for x
    x = 4,877,208.42/2,380.09
  6. Step 6: Final answer
    x = 2,049.17

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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.