Home / 3,368.28-5,047.23-1,808.49

Finding the Fourth Proportional to 3,368.28, 5,047.23 and 1,808.49

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Solution

The fourth proportional to 3,368.28, 5,047.23 and 1,808.49 is: 2,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.28 : 5,047.23 = 1,808.49 : x
  2. Step 2: Convert to fraction form
    3,368.28/5,047.23 = 1,808.49/x
  3. Step 3: Cross multiply
    3,368.28x = 5,047.23 × 1,808.49
  4. Step 4: Simplify right side
    3,368.28x = 9,127,864.98
  5. Step 5: Solve for x
    x = 9,127,864.98/3,368.28
  6. Step 6: Final answer
    x = 2,709.95

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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.