Home / 1,217.97-1,827.26-352.28

Finding the Fourth Proportional to 1,217.97, 1,827.26 and 352.28

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Solution

The fourth proportional to 1,217.97, 1,827.26 and 352.28 is: 528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217.97 : 1,827.26 = 352.28 : x
  2. Step 2: Convert to fraction form
    1,217.97/1,827.26 = 352.28/x
  3. Step 3: Cross multiply
    1,217.97x = 1,827.26 × 352.28
  4. Step 4: Simplify right side
    1,217.97x = 643,707.15
  5. Step 5: Solve for x
    x = 643,707.15/1,217.97
  6. Step 6: Final answer
    x = 528.51

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1.5x scale

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.