Home / 2,755.17-4,133.21-1,368.55

Finding the Fourth Proportional to 2,755.17, 4,133.21 and 1,368.55

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Solution

The fourth proportional to 2,755.17, 4,133.21 and 1,368.55 is: 2,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.17 : 4,133.21 = 1,368.55 : x
  2. Step 2: Convert to fraction form
    2,755.17/4,133.21 = 1,368.55/x
  3. Step 3: Cross multiply
    2,755.17x = 4,133.21 × 1,368.55
  4. Step 4: Simplify right side
    2,755.17x = 5,656,510.57
  5. Step 5: Solve for x
    x = 5,656,510.57/2,755.17
  6. Step 6: Final answer
    x = 2,053.05

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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.