Home / 1,476.28-2,214.38-450.28

Finding the Fourth Proportional to 1,476.28, 2,214.38 and 450.28

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Solution

The fourth proportional to 1,476.28, 2,214.38 and 450.28 is: 675.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.28 : 2,214.38 = 450.28 : x
  2. Step 2: Convert to fraction form
    1,476.28/2,214.38 = 450.28/x
  3. Step 3: Cross multiply
    1,476.28x = 2,214.38 × 450.28
  4. Step 4: Simplify right side
    1,476.28x = 997,091.03
  5. Step 5: Solve for x
    x = 997,091.03/1,476.28
  6. Step 6: Final answer
    x = 675.41

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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.