Home / 1,277.48-1,916.22-352.94

Finding the Fourth Proportional to 1,277.48, 1,916.22 and 352.94

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Solution

The fourth proportional to 1,277.48, 1,916.22 and 352.94 is: 529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277.48 : 1,916.22 = 352.94 : x
  2. Step 2: Convert to fraction form
    1,277.48/1,916.22 = 352.94/x
  3. Step 3: Cross multiply
    1,277.48x = 1,916.22 × 352.94
  4. Step 4: Simplify right side
    1,277.48x = 676,310.69
  5. Step 5: Solve for x
    x = 676,310.69/1,277.48
  6. Step 6: Final answer
    x = 529.41

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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.