Home / 1,284.85-1,927.14-360.51

Finding the Fourth Proportional to 1,284.85, 1,927.14 and 360.51

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Solution

The fourth proportional to 1,284.85, 1,927.14 and 360.51 is: 540.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284.85 : 1,927.14 = 360.51 : x
  2. Step 2: Convert to fraction form
    1,284.85/1,927.14 = 360.51/x
  3. Step 3: Cross multiply
    1,284.85x = 1,927.14 × 360.51
  4. Step 4: Simplify right side
    1,284.85x = 694,753.24
  5. Step 5: Solve for x
    x = 694,753.24/1,284.85
  6. Step 6: Final answer
    x = 540.73

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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.