Home / 1,733.48-2,389.38-1,208.60

Finding the Fourth Proportional to 1,733.48, 2,389.38 and 1,208.60

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Solution

The fourth proportional to 1,733.48, 2,389.38 and 1,208.60 is: 1,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733.48 : 2,389.38 = 1,208.60 : x
  2. Step 2: Convert to fraction form
    1,733.48/2,389.38 = 1,208.60/x
  3. Step 3: Cross multiply
    1,733.48x = 2,389.38 × 1,208.60
  4. Step 4: Simplify right side
    1,733.48x = 2,887,804.67
  5. Step 5: Solve for x
    x = 2,887,804.67/1,733.48
  6. Step 6: Final answer
    x = 1,665.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.