Home / 1,225.26-1,838.23-495.35

Finding the Fourth Proportional to 1,225.26, 1,838.23 and 495.35

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Solution

The fourth proportional to 1,225.26, 1,838.23 and 495.35 is: 743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.26 : 1,838.23 = 495.35 : x
  2. Step 2: Convert to fraction form
    1,225.26/1,838.23 = 495.35/x
  3. Step 3: Cross multiply
    1,225.26x = 1,838.23 × 495.35
  4. Step 4: Simplify right side
    1,225.26x = 910,559.28
  5. Step 5: Solve for x
    x = 910,559.28/1,225.26
  6. Step 6: Final answer
    x = 743.16

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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.