Home / 1,382.28-2,068.50-1,360.44

Finding the Fourth Proportional to 1,382.28, 2,068.50 and 1,360.44

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Solution

The fourth proportional to 1,382.28, 2,068.50 and 1,360.44 is: 2,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382.28 : 2,068.50 = 1,360.44 : x
  2. Step 2: Convert to fraction form
    1,382.28/2,068.50 = 1,360.44/x
  3. Step 3: Cross multiply
    1,382.28x = 2,068.50 × 1,360.44
  4. Step 4: Simplify right side
    1,382.28x = 2,814,070.14
  5. Step 5: Solve for x
    x = 2,814,070.14/1,382.28
  6. Step 6: Final answer
    x = 2,035.82

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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.