Home / 1,223.10-1,834.29-401.22

Finding the Fourth Proportional to 1,223.10, 1,834.29 and 401.22

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Solution

The fourth proportional to 1,223.10, 1,834.29 and 401.22 is: 601.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223.10 : 1,834.29 = 401.22 : x
  2. Step 2: Convert to fraction form
    1,223.10/1,834.29 = 401.22/x
  3. Step 3: Cross multiply
    1,223.10x = 1,834.29 × 401.22
  4. Step 4: Simplify right side
    1,223.10x = 735,953.83
  5. Step 5: Solve for x
    x = 735,953.83/1,223.10
  6. Step 6: Final answer
    x = 601.71

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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.