Home / 2,802.40-4,203.43-1,241.95

Finding the Fourth Proportional to 2,802.40, 4,203.43 and 1,241.95

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Solution

The fourth proportional to 2,802.40, 4,203.43 and 1,241.95 is: 1,862.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.40 : 4,203.43 = 1,241.95 : x
  2. Step 2: Convert to fraction form
    2,802.40/4,203.43 = 1,241.95/x
  3. Step 3: Cross multiply
    2,802.40x = 4,203.43 × 1,241.95
  4. Step 4: Simplify right side
    2,802.40x = 5,220,428.87
  5. Step 5: Solve for x
    x = 5,220,428.87/2,802.40
  6. Step 6: Final answer
    x = 1,862.84

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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.