Home / 1,284.77-1,927.27-360.34

Finding the Fourth Proportional to 1,284.77, 1,927.27 and 360.34

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Solution

The fourth proportional to 1,284.77, 1,927.27 and 360.34 is: 540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284.77 : 1,927.27 = 360.34 : x
  2. Step 2: Convert to fraction form
    1,284.77/1,927.27 = 360.34/x
  3. Step 3: Cross multiply
    1,284.77x = 1,927.27 × 360.34
  4. Step 4: Simplify right side
    1,284.77x = 694,472.47
  5. Step 5: Solve for x
    x = 694,472.47/1,284.77
  6. Step 6: Final answer
    x = 540.54

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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.