Home / 1,218.04-1,825.26-1,117.48

Finding the Fourth Proportional to 1,218.04, 1,825.26 and 1,117.48

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Solution

The fourth proportional to 1,218.04, 1,825.26 and 1,117.48 is: 1,674.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218.04 : 1,825.26 = 1,117.48 : x
  2. Step 2: Convert to fraction form
    1,218.04/1,825.26 = 1,117.48/x
  3. Step 3: Cross multiply
    1,218.04x = 1,825.26 × 1,117.48
  4. Step 4: Simplify right side
    1,218.04x = 2,039,691.54
  5. Step 5: Solve for x
    x = 2,039,691.54/1,218.04
  6. Step 6: Final answer
    x = 1,674.57

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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.