Home / 2,763.90-4,140.29-1,373.03

Finding the Fourth Proportional to 2,763.90, 4,140.29 and 1,373.03

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Solution

The fourth proportional to 2,763.90, 4,140.29 and 1,373.03 is: 2,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.90 : 4,140.29 = 1,373.03 : x
  2. Step 2: Convert to fraction form
    2,763.90/4,140.29 = 1,373.03/x
  3. Step 3: Cross multiply
    2,763.90x = 4,140.29 × 1,373.03
  4. Step 4: Simplify right side
    2,763.90x = 5,684,725.11
  5. Step 5: Solve for x
    x = 5,684,725.11/2,763.90
  6. Step 6: Final answer
    x = 2,056.78

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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.