Home / 1,214.28-1,817.34-1,017.48

Finding the Fourth Proportional to 1,214.28, 1,817.34 and 1,017.48

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Solution

The fourth proportional to 1,214.28, 1,817.34 and 1,017.48 is: 1,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214.28 : 1,817.34 = 1,017.48 : x
  2. Step 2: Convert to fraction form
    1,214.28/1,817.34 = 1,017.48/x
  3. Step 3: Cross multiply
    1,214.28x = 1,817.34 × 1,017.48
  4. Step 4: Simplify right side
    1,214.28x = 1,849,107.10
  5. Step 5: Solve for x
    x = 1,849,107.10/1,214.28
  6. Step 6: Final answer
    x = 1,522.80

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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.