Home / 1,802.33-2,488.19-1,245.79

Finding the Fourth Proportional to 1,802.33, 2,488.19 and 1,245.79

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Solution

The fourth proportional to 1,802.33, 2,488.19 and 1,245.79 is: 1,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.33 : 2,488.19 = 1,245.79 : x
  2. Step 2: Convert to fraction form
    1,802.33/2,488.19 = 1,245.79/x
  3. Step 3: Cross multiply
    1,802.33x = 2,488.19 × 1,245.79
  4. Step 4: Simplify right side
    1,802.33x = 3,099,762.22
  5. Step 5: Solve for x
    x = 3,099,762.22/1,802.33
  6. Step 6: Final answer
    x = 1,719.86

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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.