Home / 1,218.34-1,827.97-602.64

Finding the Fourth Proportional to 1,218.34, 1,827.97 and 602.64

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Solution

The fourth proportional to 1,218.34, 1,827.97 and 602.64 is: 904.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218.34 : 1,827.97 = 602.64 : x
  2. Step 2: Convert to fraction form
    1,218.34/1,827.97 = 602.64/x
  3. Step 3: Cross multiply
    1,218.34x = 1,827.97 × 602.64
  4. Step 4: Simplify right side
    1,218.34x = 1,101,606.33
  5. Step 5: Solve for x
    x = 1,101,606.33/1,218.34
  6. Step 6: Final answer
    x = 904.19

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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.