Home / 1,223.28-1,834.54-401.37

Finding the Fourth Proportional to 1,223.28, 1,834.54 and 401.37

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Solution

The fourth proportional to 1,223.28, 1,834.54 and 401.37 is: 601.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223.28 : 1,834.54 = 401.37 : x
  2. Step 2: Convert to fraction form
    1,223.28/1,834.54 = 401.37/x
  3. Step 3: Cross multiply
    1,223.28x = 1,834.54 × 401.37
  4. Step 4: Simplify right side
    1,223.28x = 736,329.32
  5. Step 5: Solve for x
    x = 736,329.32/1,223.28
  6. Step 6: Final answer
    x = 601.93

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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.