Home / 1,360.29-2,039.06-538.25

Finding the Fourth Proportional to 1,360.29, 2,039.06 and 538.25

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Solution

The fourth proportional to 1,360.29, 2,039.06 and 538.25 is: 806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360.29 : 2,039.06 = 538.25 : x
  2. Step 2: Convert to fraction form
    1,360.29/2,039.06 = 538.25/x
  3. Step 3: Cross multiply
    1,360.29x = 2,039.06 × 538.25
  4. Step 4: Simplify right side
    1,360.29x = 1,097,511.16
  5. Step 5: Solve for x
    x = 1,097,511.16/1,360.29
  6. Step 6: Final answer
    x = 806.82

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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.