Home / 2,756.05-4,134.75-1,370.04

Finding the Fourth Proportional to 2,756.05, 4,134.75 and 1,370.04

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Solution

The fourth proportional to 2,756.05, 4,134.75 and 1,370.04 is: 2,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.05 : 4,134.75 = 1,370.04 : x
  2. Step 2: Convert to fraction form
    2,756.05/4,134.75 = 1,370.04/x
  3. Step 3: Cross multiply
    2,756.05x = 4,134.75 × 1,370.04
  4. Step 4: Simplify right side
    2,756.05x = 5,664,752.25
  5. Step 5: Solve for x
    x = 5,664,752.25/2,756.05
  6. Step 6: Final answer
    x = 2,055.39

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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.