Home / 1,224.89-1,837.53-494.51

Finding the Fourth Proportional to 1,224.89, 1,837.53 and 494.51

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Solution

The fourth proportional to 1,224.89, 1,837.53 and 494.51 is: 741.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.89 : 1,837.53 = 494.51 : x
  2. Step 2: Convert to fraction form
    1,224.89/1,837.53 = 494.51/x
  3. Step 3: Cross multiply
    1,224.89x = 1,837.53 × 494.51
  4. Step 4: Simplify right side
    1,224.89x = 908,667.77
  5. Step 5: Solve for x
    x = 908,667.77/1,224.89
  6. Step 6: Final answer
    x = 741.84

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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.