Home / 1,224.17-1,835.85-402.26

Finding the Fourth Proportional to 1,224.17, 1,835.85 and 402.26

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Solution

The fourth proportional to 1,224.17, 1,835.85 and 402.26 is: 603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.17 : 1,835.85 = 402.26 : x
  2. Step 2: Convert to fraction form
    1,224.17/1,835.85 = 402.26/x
  3. Step 3: Cross multiply
    1,224.17x = 1,835.85 × 402.26
  4. Step 4: Simplify right side
    1,224.17x = 738,479.84
  5. Step 5: Solve for x
    x = 738,479.84/1,224.17
  6. Step 6: Final answer
    x = 603.25

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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.