Home / 2,802.09-4,203.15-1,241.76

Finding the Fourth Proportional to 2,802.09, 4,203.15 and 1,241.76

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Solution

The fourth proportional to 2,802.09, 4,203.15 and 1,241.76 is: 1,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.09 : 4,203.15 = 1,241.76 : x
  2. Step 2: Convert to fraction form
    2,802.09/4,203.15 = 1,241.76/x
  3. Step 3: Cross multiply
    2,802.09x = 4,203.15 × 1,241.76
  4. Step 4: Simplify right side
    2,802.09x = 5,219,303.54
  5. Step 5: Solve for x
    x = 5,219,303.54/2,802.09
  6. Step 6: Final answer
    x = 1,862.65

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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.