Home / 1,218.17-1,827.26-568.46

Finding the Fourth Proportional to 1,218.17, 1,827.26 and 568.46

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Solution

The fourth proportional to 1,218.17, 1,827.26 and 568.46 is: 852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218.17 : 1,827.26 = 568.46 : x
  2. Step 2: Convert to fraction form
    1,218.17/1,827.26 = 568.46/x
  3. Step 3: Cross multiply
    1,218.17x = 1,827.26 × 568.46
  4. Step 4: Simplify right side
    1,218.17x = 1,038,724.22
  5. Step 5: Solve for x
    x = 1,038,724.22/1,218.17
  6. Step 6: Final answer
    x = 852.69

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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.