Home / 1,317.99-1,976.44-537.46

Finding the Fourth Proportional to 1,317.99, 1,976.44 and 537.46

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Solution

The fourth proportional to 1,317.99, 1,976.44 and 537.46 is: 805.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317.99 : 1,976.44 = 537.46 : x
  2. Step 2: Convert to fraction form
    1,317.99/1,976.44 = 537.46/x
  3. Step 3: Cross multiply
    1,317.99x = 1,976.44 × 537.46
  4. Step 4: Simplify right side
    1,317.99x = 1,062,268.10
  5. Step 5: Solve for x
    x = 1,062,268.10/1,317.99
  6. Step 6: Final answer
    x = 805.97

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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.